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FREE SHIPPING
On all orders shipped within the United States
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90-day return policy
Lifetime Warranty
On JS Alternators employee labor and a one year warranty on parts
4.3L
Customers rate us 4.8/5 based on 202 reviews.
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1.9L
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5.7L
6.0L
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Amperage
250 amp alternator
(158)
320 amp alternator
(158)
370 amp alternator
(45)
400 amp alternator
(45)
250 amps 6 phase hairpin
(12)
320 amps 6 phase hairpin
(11)
370 amps 6 phase hairpin
(5)
400 amps 6 phase hairpin
(5)
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12SI Racing High Output Alternator - One Wire Turn On
Regular price
$459.00
Sale price
$359.00
Save $100.00
Sale
12SI Motor Swap High Output Alternator - One Wire Turn On
Regular price
$459.00
Sale price
from $359.00
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