Design improves clutch performance and heat dissipation Precision machined from T-6 billet aircraft quality aluminum Hard anodized for longer wear resistance than OEM design Superior tensile strength and hardness Advanced design allows clutch assembly to spin true, creating less heat when clutch is disengaged Come with button-type screws to mount the stock ring gear Made in the U.S.A. Steel plates, friction plates, and springs sold separately.. CLTCH BSKT W/CUSHN YFZ350