Perrin Lightweight Water Pump Pulley for 2022+ WRX Select::Blue (PSP-ENG-112BL) and nitrous applications

and nitrous applications

All of the camshafts in this range are ground on a Toyoda CNC masterless cam grinder to consistently deliver the highest quality product

The old style is pictured installed

PERRIN Engine Mounts are stiffer than stock

Fully integrated PCV recirculation artery

Perrin Lightweight Water Pump Pulley for 2022+ WRX Select::Blue (PSP-ENG-112BL) and nitrous applicationsPerrin lightweight water pump pulley for 2022 2023 Subaru WRX is . 28 pounds lighter than the stock pulley and will increase HP, TQ and throttle response. Fits with OEM and aftermarket belts. Available in 3 colors: black, red and blue. Vehicle Fitment: 2022 2023 Subaru WRX Purchase Includes: (1) Pulley Features: 6061 CNC aluminum Anodized Finish Perrin pulley weighs 0. 48 pounds OEM pulley weighs 0. 76 pounds Designed to match the Perrin Alternator