![Perrin [22-26 WRX] FA/FB Alternator Pulley Red | PSP-ENG-121RD Engine Covers OE proportions - Maintains factory](https://cdn.shopify.com/s/files/1/0023/6109/8353/files/perrin-22-26-wrx-fafb-alternator-pulley-red-psp-eng-121rd-7103615.jpg?v=1783650545)
Pay in 4 interest-free payments of $11.44 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
OE proportions - Maintains factory lines and sight lines without modification
The pad ships as the cushion only
Will this work if I've modified my cooling system
Sturdy and durable construction – aircraft-grade 6061 billet aluminium alloy permanently eliminates the expansion and failure mode of the factory plastic component
Perrin [22-26 WRX] FA/FB Alternator Pulley Red | PSP-ENG-121RD Engine Covers OE proportions - Maintains factoryPREVENT FUTURE FAILURESubaru models with OEM clutch style alternator pulleys may fail over time. This failure can lead to knocking noises, battery charging issues, belt wear, and cause belts to become extra jumpy. The PERRIN Alternator Pulley removes this future failure point. DECREASE ROTATIONAL MASSPERRIN Alternator Pulleys weigh just 0. 20 lbs., which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all
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