... any materials to us as you like -- Clutch facing,hub,spring,spring color&packing box. What we do is just to satisfy ... ,Material:High quality non-asbestos clutch facing. High quality toque spring with material 60 Si2Mn,Forged clutch hubs , Anti-rust paper ... ,Long service life , low wear and tear , Noiseless. JOHN DEER BRAKE Clutch Disc