Perrin [02-26 WRX, 04-21 STI] Crank Pulley Vehicle:2019-2021 WRX Visual Transformation - Creates dramatic

Visual Transformation - Creates dramatic

A header alone won't throw a check engine light — it bolts in mechanically

🐕 Designed for Pet Comfort

Front upper position

Full extension is safe for towing and highway use

Perrin [02-26 WRX, 04-21 STI] Crank Pulley Vehicle:2019-2021 WRX Visual Transformation - Creates dramaticFree up power and sharpen throttle response the PERRIN Lightweight Crank Pulley is a must have performance upgrade for your WRX or STI. Weighing in at just 1. 2 lbs, the PERRIN Crank Pulley shaves an impressive 3. 7 lbs off the rotating mass compared to the stock pulley. This weight reduction is the equivalent of removing over 100 lbs of static vehicle weight delivering noticeable gains in throttle response, horsepower, and torque. CNC machined from