The Winningest Inner Hub / Pressure Plate Kit in the World, race proven worldwide by all the best teams worldwide including Team Muscle Milk Honda, Team Red Bull KTM, Team Monster Kawasaki, Team Yoshimura Suzuki and Team Rinaldi Yamaha. Improves clutch performance and life. Improves heat dissipation. Precision machined from billet T-6 aircraft-quality aluminum to aerospace tolerances and Akadized for five times the wear resistance to stock (with proper maintenance). Allows clutch assembly to spin more true creating less heat when clutch is disengaged. When used with Hinson Clutch Components clutch basket and inner hub helps eliminate clutch chatter. Made in the U.S.A.