Perrin Lightweight Water Pump Pulley Blue 2015-2021 WRX

Experience improved performance with Perrin's 15-21 Subaru WRX Lightweight Water Pump Pulley. Lighter than the OEM pulley by 0.28lbs, it frees up power and increases throttle response, horsepower, and torque. Constructed from high-quality materials, it's an easy to install part that will take your ride to the next level.