Ignitions and Electrical Charging Systems

Powermaster

ALT GM CS144 BLACK WRINKLE 300A XS VOLT 6 GRV PULLEY NOTE:COMPETITION ONLYNOT F

$529.48

SKU: P01Q 578068SPL

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

ALT GM CS144 BLACK WRINKLE 300A XS VOLT 6 GRV PULLEY NOTE:COMPETITION ONLYNOT F

MIA's Description

The Powermaster 578068SPL XS Volt™ alternator delivers a massive 300-amp output using a GM CS144 case with a black wrinkle powdercoated finish. It features an internal regulator and a 6-groove serpentine pulley, designed for SPL competition vehicles. The XS Volt™ voltage control system allows fine-tuning between 13.5 and 18.5 volts, supporting 12V, 14V, or 16V setups. Each unit is individually dyno tested.

Fitment

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Specifications

BrandPowermaster
Part NumberP01Q 578068SPL

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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