Perrin Blue Alternator Pulley 2022-2023 BRZ/GR86

The PERRIN Performance Crank Pulley offers a significant weight reduction of .2 lbs when compared to the stock OEM pulley. Not only does it significantly enhance throttle response, but also increases available horsepower and torque. This easy-to-install part features a precision machined mounting hub, and is designed to look and perform at peak levels. Machined from 6061T6 billet aluminum, it is anodized blue and laser etched for improved belt life and enhanced fit. Its precision machined grooves tightly sync with all OEM and aftermarket belts.