... materials to us as you like -- Clutch facing,hub,spring,spring color&packing box. What we do is just to ... you in no time, we can guarantee our clutch disc to be high standard.3,We can develop according ... :High quality non-asbestos clutch facing. High quality toque spring with material 60 Si2Mn,Forged clutch hubs , Anti-rust ... service life , low wear and tear , Noiseless. JOHN DEER BRAKE Clutch Disc