{"title":"1975-1978","description":null,"products":[{"product_id":"1975-1978-jeep-cj5-3-8l-250-320amp-high-output-alternator","title":"1975-1978 Jeep CJ5 L6 3.8L 12si High Output Alternator","description":"\u003cp\u003e\u003cspan\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 1975-1978 Jeep CJ5 3.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan\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\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\" rel=\"noopener noreferrer\" target=\"_blank\"\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","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ V-Belt Pulley","offer_id":42899991363760,"sku":"7127-9-CJ5-1975-1978-3.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42899991396528,"sku":"7127-9-CJ5-1975-1978-3.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42899991429296,"sku":"7127-9-CJ5-1975-1978-3.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42899991462064,"sku":"7127-9-CJ5-1975-1978-3.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42899991494832,"sku":"7127-9-CJ5-1975-1978-3.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42899991527600,"sku":"7127-9-CJ5-1975-1978-3.8L-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_8b09dfa8-b3d1-48c8-90a8-50f754cbac0c.png?v=1698267292"},{"product_id":"1975-1978-buick-lesabre-6-6l-250-320amp-high-output-alternator","title":"1975-1978 Buick LeSabre 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 1975-1978 Buick LeSabre 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:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\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":42904719851696,"sku":"7127-SE-LeSabre-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42904719884464,"sku":"7127-SE-LeSabre-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42904719917232,"sku":"7127-SE-LeSabre-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42904719950000,"sku":"7127-SE-LeSabre-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42904719982768,"sku":"7127-SE-LeSabre-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42904720015536,"sku":"7127-SE-LeSabre-1975-1978-6.6L-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_a793daba-c889-4907-81a9-32f8fdf3340d.png?v=1698711210"},{"product_id":"1975-1978-gmc-k15-4-8l-250-320amp-high-output-alternator","title":"1975-1978 GMC K15 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 1975-1978 GMC K15 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":42948950032560,"sku":"7127-9-K15-1975-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948950098096,"sku":"7127-9-K15-1975-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948950163632,"sku":"7127-9-K15-1975-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950229168,"sku":"7127-9-K15-1975-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948950261936,"sku":"7127-9-K15-1975-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948950294704,"sku":"7127-9-K15-1975-1978-4.8L-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_7124ba17-4b21-4934-9e94-d3c3e848f982.png?v=1700247683"},{"product_id":"1975-1978-gmc-c15-5-7l-250-320amp-high-output-alternator","title":"1975-1978 GMC C15 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 1975-1978 GMC C15 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":42948950982832,"sku":"7127-SE-C15-1975-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948951015600,"sku":"7127-SE-C15-1975-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948951048368,"sku":"7127-SE-C15-1975-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951081136,"sku":"7127-SE-C15-1975-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948951113904,"sku":"7127-SE-C15-1975-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948951146672,"sku":"7127-SE-C15-1975-1978-5.7L-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_37a05823-ac19-4517-b1ce-6cf281b1d2e5.png?v=1700247712"},{"product_id":"1975-1978-gmc-c15-suburban-5-7l-250-320amp-high-output-alternator","title":"1975-1978 GMC C15 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 1975-1978 GMC C15 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":42948952129712,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948952162480,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948952195248,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952228016,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948952260784,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948952293552,"sku":"7127-SE-C15-Suburban-1975-1978-5.7L-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_9eb9da1f-da60-475a-8605-1e8b56e9160d.png?v=1700247739"},{"product_id":"1975-1978-gmc-c25-suburban-4-8l-250-320amp-high-output-alternator","title":"1975-1978 GMC C25 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 1975-1978 GMC C25 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":42948953964720,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948953997488,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948954030256,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948954063024,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948954095792,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948954128560,"sku":"7127-9-C25-Suburban-1975-1978-4.8L-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_4c6fd1b8-7206-4839-84a8-c0d57d53084d.png?v=1700247789"},{"product_id":"1975-1978-gmc-g25-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC G25 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 1975-1978 GMC G25 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":42948959600816,"sku":"7127-SE-G25-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948959633584,"sku":"7127-SE-G25-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948959666352,"sku":"7127-SE-G25-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948959699120,"sku":"7127-SE-G25-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948959731888,"sku":"7127-SE-G25-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948959764656,"sku":"7127-SE-G25-1975-1978-6.6L-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_fdd9bb4a-050b-4da6-95e3-780ab3700e2b.png?v=1700247890"},{"product_id":"1975-1978-gmc-g35-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC G35 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 1975-1978 GMC G35 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":42948960551088,"sku":"7127-SE-G35-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948960583856,"sku":"7127-SE-G35-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948960616624,"sku":"7127-SE-G35-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948960649392,"sku":"7127-SE-G35-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948960682160,"sku":"7127-SE-G35-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948960714928,"sku":"7127-SE-G35-1975-1978-6.6L-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_2091f381-42d1-4f70-af15-c4727d725f22.png?v=1700247920"},{"product_id":"1975-1978-gmc-k15-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC K15 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 1975-1978 GMC K15 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":42948961730736,"sku":"7127-SE-K15-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948961763504,"sku":"7127-SE-K15-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948961796272,"sku":"7127-SE-K15-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948961829040,"sku":"7127-SE-K15-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948961861808,"sku":"7127-SE-K15-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948961894576,"sku":"7127-SE-K15-1975-1978-6.6L-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_dda04632-4fea-43e3-9688-a55158298390.png?v=1700247947"},{"product_id":"1975-1978-gmc-k25-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC K25 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 1975-1978 GMC K25 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":42948964188336,"sku":"7127-SE-K25-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948964221104,"sku":"7127-SE-K25-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948964253872,"sku":"7127-SE-K25-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964286640,"sku":"7127-SE-K25-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948964319408,"sku":"7127-SE-K25-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948964352176,"sku":"7127-SE-K25-1975-1978-6.6L-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_000c6ec7-dfa3-47c9-a3da-338ed4d23a64.png?v=1700248012"},{"product_id":"1975-1978-gmc-k25-suburban-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC K25 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 1975-1978 GMC K25 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":42948965335216,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948965367984,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948965400752,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948965433520,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948965466288,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948965499056,"sku":"7127-SE-K25-Suburban-1975-1978-6.6L-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_9a409e4c-f1ef-4eea-9353-985fb07ab9e6.png?v=1700248037"},{"product_id":"1975-1978-gmc-c15-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC C15 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 1975-1978 GMC C15 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":42948969660592,"sku":"7127-SE-C15-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948969693360,"sku":"7127-SE-C15-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948969726128,"sku":"7127-SE-C15-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948969758896,"sku":"7127-SE-C15-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948969791664,"sku":"7127-SE-C15-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948969824432,"sku":"7127-SE-C15-1975-1978-6.6L-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_b2d656f1-205a-4a4b-bce1-7586970636b0.png?v=1700248117"},{"product_id":"1975-1978-gmc-c25-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC C25 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 1975-1978 GMC C25 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":42948970053808,"sku":"7127-SE-C25-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948970086576,"sku":"7127-SE-C25-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948970119344,"sku":"7127-SE-C25-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970152112,"sku":"7127-SE-C25-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948970184880,"sku":"7127-SE-C25-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970217648,"sku":"7127-SE-C25-1975-1978-6.6L-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_f73b4d8c-8a01-4487-a3e7-1c75f8171650.png?v=1700248122"},{"product_id":"1975-1978-gmc-c35-6-6l-250-320amp-high-output-alternator","title":"1975-1978 GMC C35 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 1975-1978 GMC C35 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":42948970283184,"sku":"7127-SE-C35-1975-1978-6.6L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":42948970315952,"sku":"7127-SE-C35-1975-1978-6.6L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":42948970348720,"sku":"7127-SE-C35-1975-1978-6.6L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970381488,"sku":"7127-SE-C35-1975-1978-6.6L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":42948970414256,"sku":"7127-SE-C35-1975-1978-6.6L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":42948970447024,"sku":"7127-SE-C35-1975-1978-6.6L-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_53f6aca1-6540-49f2-8782-a8658b9fc074.png?v=1700248134"},{"product_id":"1975-1978-chevrolet-g20-4-8l-250-320amp-high-output-alternator","title":"1975-1978 Chevrolet G20 L6 4.8L 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 1975-1978 Chevrolet G20 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 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":43035740799152,"sku":"7127-9-G20-1975-1978-4.8L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":43035740831920,"sku":"7127-9-G20-1975-1978-4.8L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":43035740864688,"sku":"7127-9-G20-1975-1978-4.8L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43035740897456,"sku":"7127-9-G20-1975-1978-4.8L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":43035740930224,"sku":"7127-9-G20-1975-1978-4.8L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43035740962992,"sku":"7127-9-G20-1975-1978-4.8L-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_e6960f0e-e940-4e1d-8287-7d7222d75a83.png?v=1702764889"},{"product_id":"1975-1978-chevrolet-p10-5-7l-250-320amp-high-output-alternator","title":"1975-1978 Chevrolet P10 V8 5.7L 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 1975-1978 Chevrolet P10 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 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":43035741028528,"sku":"7127-SE-P10-1975-1978-5.7L-250-adp6003-9801-151-v1","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ V-Belt Pulley","offer_id":43035741061296,"sku":"7127-SE-P10-1975-1978-5.7L-320-adp6003-9801-151-v1","price":449.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ Double V-Belt Pulley","offer_id":43035741094064,"sku":"7127-SE-P10-1975-1978-5.7L-250-adp6003-9801-151-v2","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43035741126832,"sku":"7127-SE-P10-1975-1978-5.7L-250-adp6003-9801-151-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ Double V-Belt Pulley","offer_id":43035741159600,"sku":"7127-SE-P10-1975-1978-5.7L-320-adp6003-9801-151-v2","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43035741192368,"sku":"7127-SE-P10-1975-1978-5.7L-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_aa584ea9-18d1-4669-a5ec-7357045b8450.png?v=1702764902"}],"url":"https:\/\/js-alternators.com\/collections\/1975-1978\/k15.oembed","provider":"JS Alternators","version":"1.0","type":"link"}