Perrin Performance Lightweight Crank Pulley for Subaru WRX 19-21 Red

Perrin Performance Lightweight Crank Pulley — Subaru WRX 2019–2021 (Red) Upgrade engine response and style. The Perrin Performance Lightweight Crank Pulley replaces the heavy factory pulley with a precision-machined, lightweight unit designed for Subaru WRX 2019–2021 (also fits select Forester and Legacy models). Finished in striking red for a clean, race-inspired look under the hood. Reduced rotational mass for quicker throttle response and improved acceleration. Billet aluminum construction for durability and precise balance. Direct bolt-on fit — uses OE mounting points, no machining required. Corrosion-resistant finish with factory-safe coatings. Ideal for street, track, and enthusiast builds. This pulley maintains accessory drive geometry while shaving unnecessary mass from the crank, delivering a noticeable improvement in engine feel without compromising reliability. Professional installation recommended.