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Chevrolet Cars

  • 150 amp GM 12si late model upgrade kit
    $249.00 150 amp GM 12si late model upgrade kit
    Tired of alternator failure??  Need better output at idle?  The MechMan late model large case retrofit kit directly replaces all GM standard 10DN, 10SI, or 12SI alternators.  Our unit is a direct bolt in for...

  • 200a CS144 High Output Replacement -5-un-
    $299.00 200a CS144 High Output Replacement -5-un-
    This is the Mechman 200a Large Case CS144 High Output Alternator. This unit puts out 200a @ 1700rpm engine speed and 125a @ 700rpm engine speed with 3:1 pulley ratio providing excellent output and durability at all engine...

  • 200a CS144 High Output Replacement -7-un-
    $299.00 200a CS144 High Output Replacement -7-un-
    This is the Mechman 200a Large Case CS144 High Output Alternator. This unit puts out 200a @ 1700rpm engine speed and 125a @ 700rpm engine speed with 3:1 pulley ratio providing excellent output and durability at all engine...

  • 220 amp gm 12si late model upgrade kit
    $349.00 220 amp gm 12si late model upgrade kit
    Tired of alternator failure??  Need better output at idle?  The MechMan late model large case retrofit kit directly replaces all GM standard 10DN, 10SI, or 12SI alternators.  Our unit is a direct bolt in for...

  • 250a CS144 High Output Replacement -5-un-
    $399.00 250a CS144 High Output Replacement -5-un-
    This is the Mechman 250a Large Case CS144 High Output Alternator. This unit puts out 250a @ 1700rpm engine speed and 150a @ 700rpm engine speed with 3:1 pulley ratio providing excellent output and durability at all engine...

  • 250a CS144 High Output Replacement -7-un-
    $399.00 250a CS144 High Output Replacement -7-un-
    This is the Mechman 250a Large Case CS144 High Output Alternator. This unit puts out 250a @ 1700rpm engine speed and 150a @ 700rpm engine speed with 3:1 pulley ratio providing excellent output and durability at all engine...

  • 270 Amp Extreme Service GM Alternator
    $449.00 270 Amp Extreme Service GM Alternator
    The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard 7" crank pulley, it produces 165...

  • 270 amp GM 5.3 V-8 FWD alternator
    $449.00 270 amp GM 5.3 V-8 FWD alternator
    The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard crank pulley, it produces 135...

  • 270 amp GM High Output alternator 2.2l
    $479.00 270 amp GM High Output alternator 2.2l
    The bolt-in Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard crank pulley, it produces...

  • 270a Corvette LS High Output Alternator
    $499.00 270a Corvette LS High Output Alternator
    DOES NOT FIT Supercharged ZR-1. This is a direct bolt-in High Output replacement for your 97- Corvette. The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent...

  • Custom built alternators for any application!
    $0.00 Custom built alternators for any application!
    Don't see an application for your car? Email me, we can build alternators for just about any application. We can build alternators for almost every application from 140a to 425a output for all applicaions from racing to...

  • GM 270a alternator GM Intermediate 2-Pin AD237 case
    $449.00 GM 270a alternator GM Intermediate 2-Pin AD237 case
    The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard 7" crank pulley, it produces 165...

  • GM 270a alternator GM Intermediate 4-pin AD237 case
    $449.00 GM 270a alternator GM Intermediate 4-pin AD237 case
    The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard 7" crank pulley, it produces 165...

  • GM 270a alternator GM Intermediate CS130D conversion AD237 case
    $449.00 GM 270a alternator GM Intermediate CS130D conversion AD237 case
    The Extreme Service high output alternator by MechMan offers outstanding low and midrange output with excellent durability for daily driven and industrial vehicles.   With a standard crank pulley, it produces 165...