Enjoy the freedom of quick engine response with the lightened Subaru Crank Pulley from Tomioka Racing. The pulley reduces approximately 4 lbs of weight off the OEM crank pulley and enabling to rev more freely without the weight bogging it down. CNC machined from 6061 T6 Billet Aluminum and designed to work seamlessly with stock or aftermarket belts, the pulley is guaranteed to reduce rotational mass that haunts the factory OEM pulley.