Perrin Alternator Pulley Red 2002-2005 WRX / 2004-2006 STI / 1993-2011 Impreza / 1998-2010 Forester / 2000-2004 Outback

Upgrade your Subaru’s engine performance with the Perrin Alternator Pulley in striking red, designed for WRX (2002-2005), Subaru WRX STI (2004-2006), Impreza (1993-2011), Forester (1998-2010), and Outback (2000-2004) models. This premium pulley reduces rotational mass, allowing your engine to rev more freely and improve throttle response without compromising your charging system’s reliability.

Crafted from precision CNC-machined 6061-T6 aluminum, the lightweight pulley replaces the heavier OEM steel unit and features a durable anodized red finish for lasting style and strength. Its direct fit design requires no tuning or modifications, making installation simple for both track enthusiasts and daily drivers. Compatible with OEM and aftermarket belts, it offers a subtle yet effective performance boost to optimize engine efficiency and responsiveness.

Ideal for Subaru owners seeking a reliable upgrade that blends quality and performance, the Perrin Alternator Pulley enhances your driving experience with improved throttle response and engine smoothness.