{"title":"1973-1978","description":null,"products":[{"product_id":"1973-1978-gmc-c15-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948950327472,"sku":"7127-9-C15-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948950360240,"sku":"7127-9-C15-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948950393008,"sku":"7127-9-C15-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950425776,"sku":"7127-9-C15-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948950458544,"sku":"7127-9-C15-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950491312,"sku":"7127-9-C15-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_5dc57255-705e-4e61-8046-259a3bdfc3a3.png?v=1700247689"},{"product_id":"1973-1978-gmc-c15-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948950753456,"sku":"7127-9-C15-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948950786224,"sku":"7127-9-C15-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948950818992,"sku":"7127-9-C15-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950851760,"sku":"7127-9-C15-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948950884528,"sku":"7127-9-C15-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950917296,"sku":"7127-9-C15-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_ed13408d-2bcb-4a61-a077-61cecd77143a.png?v=1700247704"},{"product_id":"1973-1978-gmc-c15-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948951441584,"sku":"7127-SE-C15-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948951474352,"sku":"7127-SE-C15-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948951507120,"sku":"7127-SE-C15-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951539888,"sku":"7127-SE-C15-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948951572656,"sku":"7127-SE-C15-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951605424,"sku":"7127-SE-C15-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_dfd12c42-e857-4564-bcaf-80aeb22ad10d.png?v=1700247718"},{"product_id":"1973-1978-gmc-c15-suburban-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 Suburban L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 Suburban 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948951670960,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948951703728,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948951736496,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951769264,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948951802032,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951834800,"sku":"7127-9-C15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_bb9f94a2-0eff-4bab-ba58-9c2d81cb2af1.png?v=1700247731"},{"product_id":"1973-1978-gmc-c15-suburban-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 Suburban V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 Suburban 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948952457392,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948952490160,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948952522928,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952555696,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948952588464,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952621232,"sku":"7127-SE-C15-Suburban-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_f27ccd30-2e43-4be1-8074-708ce58efe5b.png?v=1700247745"},{"product_id":"1973-1978-gmc-c25-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948952686768,"sku":"7127-9-C25-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948952719536,"sku":"7127-9-C25-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948952785072,"sku":"7127-9-C25-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952817840,"sku":"7127-9-C25-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948952883376,"sku":"7127-9-C25-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952948912,"sku":"7127-9-C25-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_9cc5c5ab-f064-4d74-ae64-3b9300af9004.png?v=1700247756"},{"product_id":"1973-1978-gmc-c25-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948953014448,"sku":"7127-9-C25-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948953047216,"sku":"7127-9-C25-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948953079984,"sku":"7127-9-C25-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953112752,"sku":"7127-9-C25-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948953145520,"sku":"7127-9-C25-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953178288,"sku":"7127-9-C25-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_56c578dc-fd45-4b29-98c6-0631bca2c477.png?v=1700247762"},{"product_id":"1973-1978-gmc-c25-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948953440432,"sku":"7127-SE-C25-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948953473200,"sku":"7127-SE-C25-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948953505968,"sku":"7127-SE-C25-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953538736,"sku":"7127-SE-C25-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948953571504,"sku":"7127-SE-C25-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953604272,"sku":"7127-SE-C25-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_9d233a8c-c7d5-430c-b225-fdb929e95137.png?v=1700247770"},{"product_id":"1973-1978-gmc-c25-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948953669808,"sku":"7127-SE-C25-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948953702576,"sku":"7127-SE-C25-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948953735344,"sku":"7127-SE-C25-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953768112,"sku":"7127-SE-C25-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948953800880,"sku":"7127-SE-C25-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948953833648,"sku":"7127-SE-C25-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_086b058d-acc8-4fcb-93a7-8dad62fcdab9.png?v=1700247782"},{"product_id":"1973-1978-gmc-c25-suburban-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 Suburban V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 Suburban 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948954521776,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948954554544,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948954587312,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948954620080,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948954652848,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948954685616,"sku":"7127-SE-C25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_02fe145c-204a-4d73-a67e-abcd2f55d776.png?v=1700247797"},{"product_id":"1973-1978-gmc-c25-suburban-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 Suburban V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 Suburban 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948954882224,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948954914992,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948954947760,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948954980528,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948955013296,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948955046064,"sku":"7127-SE-C25-Suburban-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_8ad5b1e5-18b7-4910-a8d1-fe7ac94b50ec.png?v=1700247807"},{"product_id":"1973-1978-gmc-c35-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC C35 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C35 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948956618928,"sku":"7127-9-C35-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948956651696,"sku":"7127-9-C35-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948956684464,"sku":"7127-9-C35-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948956717232,"sku":"7127-9-C35-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948956750000,"sku":"7127-9-C35-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948956782768,"sku":"7127-9-C35-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_ebf88b21-335d-49c2-b41b-7d51b3c9f2d6.png?v=1700247813"},{"product_id":"1973-1978-gmc-c35-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC C35 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C35 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948957012144,"sku":"7127-9-C35-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948957044912,"sku":"7127-9-C35-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948957077680,"sku":"7127-9-C35-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957110448,"sku":"7127-9-C35-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948957143216,"sku":"7127-9-C35-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957175984,"sku":"7127-9-C35-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_b25dbb62-3b53-4668-9c68-a0d77aa1a100.png?v=1700247825"},{"product_id":"1973-1978-gmc-c35-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC C35 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C35 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948957372592,"sku":"7127-SE-C35-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948957405360,"sku":"7127-SE-C35-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948957438128,"sku":"7127-SE-C35-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957470896,"sku":"7127-SE-C35-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948957503664,"sku":"7127-SE-C35-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957536432,"sku":"7127-SE-C35-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_a142320b-ab2a-44f6-87a1-23c8d0e33133.png?v=1700247833"},{"product_id":"1973-1978-gmc-c35-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC C35 V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C35 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948957765808,"sku":"7127-SE-C35-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948957798576,"sku":"7127-SE-C35-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948957831344,"sku":"7127-SE-C35-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957864112,"sku":"7127-SE-C35-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948957896880,"sku":"7127-SE-C35-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948957929648,"sku":"7127-SE-C35-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_33ec370c-fc4d-4dbd-867f-d357b56a08b6.png?v=1700247844"},{"product_id":"1973-1978-gmc-g15-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC G15 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G15 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948958093488,"sku":"7127-9-G15-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948958126256,"sku":"7127-9-G15-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948958159024,"sku":"7127-9-G15-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948958191792,"sku":"7127-9-G15-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948958224560,"sku":"7127-9-G15-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948958257328,"sku":"7127-9-G15-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_4aba691f-214b-42e9-9202-df63ca0dcd10.png?v=1700247853"},{"product_id":"1973-1978-gmc-g15-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC G15 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G15 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948958290096,"sku":"7127-SE-G15-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948958322864,"sku":"7127-SE-G15-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948958355632,"sku":"7127-SE-G15-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948958388400,"sku":"7127-SE-G15-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948958421168,"sku":"7127-SE-G15-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948958453936,"sku":"7127-SE-G15-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_abe714f1-84ec-4fe8-bbed-966d183cc38f.png?v=1700247865"},{"product_id":"1973-1978-gmc-g25-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC G25 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G25 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948958978224,"sku":"7127-SE-G25-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948959010992,"sku":"7127-SE-G25-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948959043760,"sku":"7127-SE-G25-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948959076528,"sku":"7127-SE-G25-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948959109296,"sku":"7127-SE-G25-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948959142064,"sku":"7127-SE-G25-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_bad4bd0d-6554-48b7-9b57-98736b64a231.png?v=1700247882"},{"product_id":"1973-1978-gmc-g35-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC G35 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G35 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948960288944,"sku":"7127-SE-G35-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948960321712,"sku":"7127-SE-G35-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948960354480,"sku":"7127-SE-G35-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948960387248,"sku":"7127-SE-G35-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948960420016,"sku":"7127-SE-G35-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948960452784,"sku":"7127-SE-G35-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_e1418c9a-5984-4160-9c5a-42c55733a3cd.png?v=1700247909"},{"product_id":"1973-1978-gmc-k15-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948960846000,"sku":"7127-9-K15-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948960878768,"sku":"7127-9-K15-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948960911536,"sku":"7127-9-K15-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948960944304,"sku":"7127-9-K15-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948960977072,"sku":"7127-9-K15-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948961009840,"sku":"7127-9-K15-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_0cf3dbb6-4a15-4742-910f-670a94487422.png?v=1700247929"},{"product_id":"1973-1978-gmc-k15-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948961337520,"sku":"7127-SE-K15-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948961370288,"sku":"7127-SE-K15-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948961403056,"sku":"7127-SE-K15-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948961435824,"sku":"7127-SE-K15-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948961468592,"sku":"7127-SE-K15-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948961501360,"sku":"7127-SE-K15-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_d4059229-a559-4e7f-a558-21e9aa4a495d.png?v=1700247941"},{"product_id":"1973-1978-gmc-k15-suburban-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 Suburban L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 Suburban 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948962058416,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948962123952,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948962189488,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962255024,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948962287792,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962320560,"sku":"7127-9-K15-Suburban-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_da1ef686-f12b-4976-8ce7-a28f7c80d0d2.png?v=1700247959"},{"product_id":"1973-1978-gmc-k15-suburban-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 Suburban V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 Suburban 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948962386096,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948962418864,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948962451632,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962484400,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948962517168,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962549936,"sku":"7127-SE-K15-Suburban-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_f3f55486-0a34-41fc-b81c-bfbfef2041e9.png?v=1700247964"},{"product_id":"1973-1978-gmc-k15-suburban-6-6l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 Suburban V8 6.6L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 Suburban 6.6L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948962812080,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948962844848,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948962877616,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962910384,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948962943152,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948962975920,"sku":"7127-SE-K15-Suburban-1973-1978-6.6L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_45ee46d0-bf7d-45e6-b9d8-e5b9b6d3f153.png?v=1700247977"},{"product_id":"1973-1978-gmc-k25-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948963106992,"sku":"7127-9-K25-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948963139760,"sku":"7127-9-K25-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948963172528,"sku":"7127-9-K25-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963205296,"sku":"7127-9-K25-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948963238064,"sku":"7127-9-K25-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963270832,"sku":"7127-9-K25-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_4bb0bca8-3ef9-4b55-85ed-2d2754e9a220.png?v=1700247985"},{"product_id":"1973-1978-gmc-k25-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948963532976,"sku":"7127-9-K25-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948963565744,"sku":"7127-9-K25-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948963598512,"sku":"7127-9-K25-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963631280,"sku":"7127-9-K25-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948963664048,"sku":"7127-9-K25-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963696816,"sku":"7127-9-K25-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_623c4bb5-992d-43ce-8cf5-d5a7feda7a24.png?v=1700247996"},{"product_id":"1973-1978-gmc-k25-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948963827888,"sku":"7127-SE-K25-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948963860656,"sku":"7127-SE-K25-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948963893424,"sku":"7127-SE-K25-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963926192,"sku":"7127-SE-K25-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948963958960,"sku":"7127-SE-K25-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948963991728,"sku":"7127-SE-K25-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_a93516bd-90cf-4771-9e6f-afdee368918e.png?v=1700248005"},{"product_id":"1973-1978-gmc-k25-suburban-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 Suburban L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 Suburban 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948964417712,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948964450480,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948964483248,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964516016,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948964548784,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964581552,"sku":"7127-9-K25-Suburban-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_2d72a326-7494-4f22-a952-dc7b3f51af93.png?v=1700248022"},{"product_id":"1973-1978-gmc-k25-suburban-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 Suburban V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 Suburban 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948964810928,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948964843696,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948964876464,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964909232,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948964942000,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964974768,"sku":"7127-SE-K25-Suburban-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_9dfa1cde-8eed-496d-8ab6-023bbbc364e2.png?v=1700248029"},{"product_id":"1973-1978-gmc-p25-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC P25 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC P25 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948965990576,"sku":"7127-9-P25-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948966023344,"sku":"7127-9-P25-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948966056112,"sku":"7127-9-P25-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948966088880,"sku":"7127-9-P25-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948966121648,"sku":"7127-9-P25-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948966154416,"sku":"7127-9-P25-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_f310b0d9-086a-4fc5-876b-2768a9aa63bb.png?v=1700248054"},{"product_id":"1973-1978-gmc-p25-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC P25 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC P25 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948967530672,"sku":"7127-SE-P25-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948967563440,"sku":"7127-SE-P25-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948967596208,"sku":"7127-SE-P25-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948967628976,"sku":"7127-SE-P25-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948967661744,"sku":"7127-SE-P25-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948967694512,"sku":"7127-SE-P25-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_bb373df7-33e5-4a36-8f99-d28d70ddab62.png?v=1700248066"},{"product_id":"1973-1978-gmc-p35-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC P35 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC P35 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948967923888,"sku":"7127-9-P35-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948967956656,"sku":"7127-9-P35-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948967989424,"sku":"7127-9-P35-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968022192,"sku":"7127-9-P35-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948968054960,"sku":"7127-9-P35-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968087728,"sku":"7127-9-P35-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_624033d6-f617-4aba-88c6-2a4fcde6fc87.png?v=1700248073"},{"product_id":"1973-1978-gmc-p35-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC P35 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC P35 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948968153264,"sku":"7127-SE-P35-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948968186032,"sku":"7127-SE-P35-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948968218800,"sku":"7127-SE-P35-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968251568,"sku":"7127-SE-P35-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948968284336,"sku":"7127-SE-P35-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968317104,"sku":"7127-SE-P35-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_131ecdd7-cea7-427c-9df8-9fa16bbc626a.png?v=1700248084"},{"product_id":"1973-1978-gmc-p35-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC P35 V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC P35 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948968546480,"sku":"7127-SE-P35-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948968579248,"sku":"7127-SE-P35-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948968612016,"sku":"7127-SE-P35-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968644784,"sku":"7127-SE-P35-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948968677552,"sku":"7127-SE-P35-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948968710320,"sku":"7127-SE-P35-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_038101a8-3f31-4939-be05-195a534a03d9.png?v=1700248091"},{"product_id":"1973-1978-gmc-k25-7-4l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 V8 7.4L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 7.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948970676400,"sku":"7127-SE-K25-1973-1978-7.4L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948970709168,"sku":"7127-SE-K25-1973-1978-7.4L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948970741936,"sku":"7127-SE-K25-1973-1978-7.4L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970774704,"sku":"7127-SE-K25-1973-1978-7.4L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948970807472,"sku":"7127-SE-K25-1973-1978-7.4L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970840240,"sku":"7127-SE-K25-1973-1978-7.4L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_7cdbb237-832f-463d-baa3-3236cf487757.png?v=1700248140"},{"product_id":"1973-1978-gmc-c15-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948972249264,"sku":"7127-SE-C15-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948972282032,"sku":"7127-SE-C15-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948972314800,"sku":"7127-SE-C15-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948972347568,"sku":"7127-SE-C15-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948972380336,"sku":"7127-SE-C15-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948972413104,"sku":"7127-SE-C15-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_f08f97e6-4109-4428-b12a-b61607357cbd.png?v=1700248178"},{"product_id":"1973-1978-gmc-c15-suburban-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC C15 Suburban V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C15 Suburban 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948972642480,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948972675248,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948972708016,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948972740784,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948972773552,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948972806320,"sku":"7127-SE-C15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_65edacbc-4579-47ab-ac44-0eac7c86e2ab.png?v=1700248186"},{"product_id":"1973-1978-gmc-c25-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948973035696,"sku":"7127-SE-C25-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948973068464,"sku":"7127-SE-C25-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948973101232,"sku":"7127-SE-C25-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948973134000,"sku":"7127-SE-C25-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948973166768,"sku":"7127-SE-C25-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948973199536,"sku":"7127-SE-C25-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_d0761c13-aa7d-4597-9411-2280807581b5.png?v=1700248196"},{"product_id":"1973-1978-gmc-c25-suburban-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC C25 Suburban V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC C25 Suburban 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948974444720,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948974477488,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948974510256,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948974543024,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948974575792,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948974608560,"sku":"7127-SE-C25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_974e9be5-7ed2-41e3-b824-d3016d8495b6.png?v=1700248203"},{"product_id":"1973-1978-gmc-g15-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC G15 V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G15 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948974706864,"sku":"7127-SE-G15-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948974739632,"sku":"7127-SE-G15-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948974772400,"sku":"7127-SE-G15-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948974805168,"sku":"7127-SE-G15-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948974837936,"sku":"7127-SE-G15-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948974870704,"sku":"7127-SE-G15-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_5a8642b9-f72f-47a2-9964-9afc3ebf5000.png?v=1700248216"},{"product_id":"1973-1978-gmc-k15-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948975165616,"sku":"7127-SE-K15-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948975198384,"sku":"7127-SE-K15-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948975263920,"sku":"7127-SE-K15-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948975296688,"sku":"7127-SE-K15-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948975362224,"sku":"7127-SE-K15-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948975394992,"sku":"7127-SE-K15-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_3c469a4b-4b74-4bf7-ab53-520791657847.png?v=1700248225"},{"product_id":"1973-1978-gmc-k15-suburban-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC K15 Suburban V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K15 Suburban 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948975624368,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948975657136,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948975689904,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948975722672,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948975755440,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948975788208,"sku":"7127-SE-K15-Suburban-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_f81c3d94-eaab-477d-8e86-ff9811e21aa9.png?v=1700248236"},{"product_id":"1973-1978-gmc-k25-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948976214192,"sku":"7127-SE-K25-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948976246960,"sku":"7127-SE-K25-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948976279728,"sku":"7127-SE-K25-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948976312496,"sku":"7127-SE-K25-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948976345264,"sku":"7127-SE-K25-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948976378032,"sku":"7127-SE-K25-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_1da98626-3d53-42c3-8e82-2ebd2d5ca612.png?v=1700248242"},{"product_id":"1973-1978-gmc-k25-suburban-5-0l-250-320amp-high-output-alternator","title":"1973-1978 GMC K25 Suburban V8 5.0L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K25 Suburban 5.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948976443568,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948976476336,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948976509104,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948976541872,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948976574640,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948976607408,"sku":"7127-SE-K25-Suburban-1973-1978-5.0L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_03085201-1875-4bf7-a985-e2fa3e91a84e.png?v=1700248250"},{"product_id":"1973-1978-gmc-k35-4-8l-250-320amp-high-output-alternator","title":"1973-1978 GMC K35 L6 4.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K35 4.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948977033392,"sku":"7127-9-K35-1973-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948977066160,"sku":"7127-9-K35-1973-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948977098928,"sku":"7127-9-K35-1973-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948977131696,"sku":"7127-9-K35-1973-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948977164464,"sku":"7127-9-K35-1973-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948977197232,"sku":"7127-9-K35-1973-1978-4.8L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_af75cfd3-3835-45cf-957c-10816a624555.png?v=1700248258"},{"product_id":"1973-1978-gmc-k35-5-7l-250-320amp-high-output-alternator","title":"1973-1978 GMC K35 V8 5.7L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC K35 5.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948977262768,"sku":"7127-SE-K35-1973-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948977295536,"sku":"7127-SE-K35-1973-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948977328304,"sku":"7127-SE-K35-1973-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948977361072,"sku":"7127-SE-K35-1973-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948977393840,"sku":"7127-SE-K35-1973-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948977426608,"sku":"7127-SE-K35-1973-1978-5.7L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_73bf56a1-e6a2-49e1-8cdf-eb5b5e87eb12.png?v=1700248267"},{"product_id":"1973-1978-gmc-g35-4-1l-250-320amp-high-output-alternator","title":"1973-1978 GMC G35 L6 4.1L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 GMC G35 4.1L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42948979818672,"sku":"7127-9-G35-1973-1978-4.1L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948979851440,"sku":"7127-9-G35-1973-1978-4.1L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948979884208,"sku":"7127-9-G35-1973-1978-4.1L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948979916976,"sku":"7127-9-G35-1973-1978-4.1L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948979949744,"sku":"7127-9-G35-1973-1978-4.1L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948979982512,"sku":"7127-9-G35-1973-1978-4.1L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_e8f3d3b6-2963-4686-a20f-28ec33294e2c.png?v=1700248336"},{"product_id":"1973-1978-pontiac-grand-safari-6-6l-12si-250-320amp-high-output-alternator","title":"1973-1978 Pontiac Grand Safari V8 6.6L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1973-1978 Pontiac Grand Safari 6.6L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high-output alternator, and the other side will plug into the factory plug.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n               \u003cp\u003e\u003ca href=\"\" https:\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":43008780435632,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":43008780468400,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":43008780501168,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43008780533936,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":43008780566704,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43008780599472,"sku":"7127-3-Grand-Safari-1973-1978-6.6L-320-adp6003-9801-151-s6","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/1-12si-v1-angle_8f1a2952-ec7b-4484-b8a7-31c8c1fa9d07.png?v=1702493957"}],"url":"https:\/\/js-alternators.com\/collections\/1973-1978\/g15.oembed","provider":"JS Alternators","version":"1.0","type":"link"}