... . 2,Long service life , low wear and tear , Noiseless auto/car engine block for mini van and mini truck 1,High quality, reasonable ... .D range from 160mm- 430mm.3,We can designed and developed different kinds of clutch disc .4,Material:High quality non-asbestos ... Si2Mn,Forged clutch hubs , Anti-rust paper and oil 5,High standard heat treatment system for progressing.6,Steady force transmission , Reliable ...