... , reasonable &competitive price. 2,Long service life , low wear and tear , Noiseless auto/car engine block for mini van and mini truck ... High quality non-asbestos clutch facing. High quality toque spring with material 60 Si2Mn,Forged clutch hubs , Anti-rust paper ... 5,High standard heat treatment system for progressing.6,Steady force transmission , Reliable transfer torque.7,Long service life , low wear ...