Perrin Lightweight Water Pump Pulley - Blue - 15-21 WRX

The PERRIN Performance Water Pump Pulley weighs in at 0.48lbs, shaving 0.28lbs off of the vehicle from the OEM pulley. 

Add some style to your engine bay while shaving weight, increasing throttle response and easing stress on your engine. 

Available in Red, Blue, or Black anodized finishes.