The Hinson BTL Series Slipper Clutch is the choice of top factory teams and elite racers. Each clutch system is precision-machined from billet T-6 aircraft-quality aluminum to aerospace tolerances and hard-coated for five times the wear resistance of stock components-ensuring unmatched durability and reliability. The BTL Series features a Momentum Steel Basket, Billetproof® Clutch Cover, high-strength Inner Hub, Pressure Plate, advanced Fiber & Steel Plates, and Hi-Temp Clutch Springs for unbeatable performance under pressure.