Billetproof Clutch Basket - TF 250-X Precision machined from T-6 billet aircraft-quality aluminum to aerospace tolerances, and hard-coated for five times the wear resistance to stock (with proper maintenance), Improves clutch performance and life, Improves heat dissipation, Allows clutch assembly to spin truer, creating less heat when clutch is disengaged, When used with Hinson Clutch Components pressure plate and inner hub, helps eliminate clutch chatter