Have Questions?
Upgrade your Subaru’s engine responsiveness with the Perrin Alternator Pulley in vibrant red, designed for WRX, Subaru WRX STI, Impreza, Forester XT, Legacy, and Outback models from 2004 to 2021. This premium pulley reduces rotational mass, allowing your engine to rev more freely and deliver quicker throttle response without compromising charging reliability.
Crafted from precision CNC-machined 6061-T6 aluminum, the lightweight pulley replaces the heavier OEM steel unit for a noticeable performance boost. Its durable anodized red finish not only adds style but also protects against corrosion. The direct-fit design ensures easy installation with no tuning or modifications required, compatible with both OEM and aftermarket belts.
Ideal for Subaru enthusiasts aiming to enhance daily drivers or build track-ready cars, the Perrin Alternator Pulley offers subtle yet effective gains in engine performance. Upgrade your ride today and experience improved engine efficiency and throttle response.