Perrin Performance Alternator Pulley for Subaru WRX/STI/Impreza Lightweight Red

Perrin Performance Lightweight Alternator Pulley — Red Brand: Perrin Performance Upgrade your Subaru WRX, STI or Impreza charging system with the Perrin Performance Lightweight Alternator Pulley in eye-catching red. Precision-machined to reduce rotating mass, this pulley improves throttle response and reduces parasitic drag for a more responsive driving experience. Fitment: 2002–2005 WRX, 2004–2006 STI, 1993–2011 Impreza Material: High-strength, lightweight billet aluminum for durability and weight savings Benefits: Faster engine rev-up, improved throttle response, reduced accessory load, and enhanced overall performance Finish: Durable red anodized coating for corrosion resistance and a show-quality appearance Installation: Direct bolt-on replacement; no modification required This pulley is ideal for enthusiasts seeking a simple, effective powertrain upgrade that complements other bolt-on performance parts. Keep factory charging reliability while gaining crisper acceleration and an aggressive look under the hood. Keywords: Perrin alternator pulley, Subaru WRX pulley, STI lightweight pulley, Impreza performance parts, red anodized pulley