Perrin Performance Lightened Crank Pulley for Subaru Impreza WRX/STI 93-21 Blue

Perrin Performance Lightened Crank Pulley — Subaru Impreza WRX/STI (1993–2021) — Blue Brand: Perrin Performance Upgrade throttle response and reduce rotational mass with the Perrin Performance Lightened Crank Pulley, engineered specifically for Subaru Impreza WRX and STI models from 1993 through 2021. Finished in anodized blue, this pulley combines precision CNC machining with durable materials for reliable street and track performance. Key Benefits Improved acceleration: Reduced crank inertia delivers quicker revs and sharper engine response. Engineered fit: Direct bolt-on replacement for stock pulley — no modifications required. Durability: High-grade alloy construction and corrosion-resistant anodized finish for long-lasting performance. Lightweight design: Optimized mass distribution to keep accessory drive stability while minimizing weight. Why Choose Perrin Perrin Performance is known for motorsport-grade components tuned for Subaru platforms. This lightened crank pulley maintains accessory belt alignment and reliability while giving you a tangible improvement in drivability — perfect for enthusiasts who want a simple, effective upgrade. Fitment: Subaru Impreza WRX (incl. 2002–2014 WRX) and STI models 2004–2021 — verify model year compatibility before purchase.