Perrin Black Lightweight Water Pump Pulley 2015-2023 WRX

Perrin's Lightweight Water Pump Pulley is designed to reduce the weight of rotating engine parts, resulting in improved throttle response, increased horsepower and torque. This easy-to-install part is constructed from high-quality materials and weighs .48lbs, a reduction of .28lbs when compared to the OEM pulley. Fits 2015–2022 Subaru WRX.