12SI Motor Swap High Output Alternator - One Wire Turn On - $399-$449

Hairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional...
JS Alternators Art: 8302-320-467
Amperage
Pulley
    $449.00 $569.00
    $449.00
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 
    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 

    12SI Motor Swap High Output Alternator - One Wire Turn On - $399-$449

    12SI Motor Swap High Output Alternator - One Wire Turn On - JSI Racing 

    Hairpin units are commonly called 6 phase. They produce more output at idle and are more efficient than a conventional alternator. JS Alternators hairpin units feature premium bearings to withstand high engine rpm and utilize dual plate rectifier with 12 heavy duty diodes for improved cooling. Hairpin Units are a more reliable alternator to withstand high heat, high demand for car audio, marine, and racing applications.

    This unit is a direct replacement for standard Delco 10DN, 10SI, and 12SI alternators, making it easy to install on most 1963-1985 GM vehicles. To activate the alternator, you only need to connect a single wire from the provided pigtail to any ignition switched 12V+ source. This allows the alternator to turn on and off with the ignition switch. These units come with a smaller pulley which requires installing a half inch to an inch shorter belt. Make sure to select the pulley design needed for your vehicle in the drop down menu.

    All Motor Swap Applications will come with a 45 mm. pulley and will require installing a 1/2 inch - 1 inch shorter belt.

    FITMENT GUIDE:

    Make Model Engine Year(s)
    BUICK All Early Models Most Engines 63-79
    BUICK Gran Sport All Engines 65-67
    BUICK Riviera All Engines 63-70
    BUICK Skylark All Engines 63-79
    BUICK Wildcat All Engines 63-70
    CADILLAC All Early Models All Engines 63-85
    CHEVROLET All Early Models Most Engines 63-85
    CHEVROLET C10 Pickup All Engines 63-78
    CHEVROLET Camaro All Engines 67-80
    CHEVROLET Caprice All Engines 66-77
    CHEVROLET Chevelle All Engines 64-73
    CHEVROLET Chevy II All Engines 63-68
    CHEVROLET Corvette All Engines 63-79
    CHEVROLET El Camino All Engines 64-77
    CHEVROLET Impala All Engines 63-77
    CHEVROLET Malibu All Engines 64-77
    CHEVROLET Monte Carlo All Engines 70-77
    GMC All Early Models All Engines 63-85
    GMC C15 Pickup All Engines 67-78
    OLDSMOBILE All Early Models V-8 63-85
    OLDSMOBILE 442 All Engines 65-71
    OLDSMOBILE Cutlass All Engines 63-76
    OLDSMOBILE F85 All Engines 63-72
    PONTIAC Early models V-8 63-85
    PONTIAC Firebird All Engines 67-70
    PONTIAC GTO All Engines 64-71
    PONTIAC Tempest All Engines 63-70
    PONTIAC Ventura All Engines 71-77

    Product recommendations

    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99