... , low wear and tear , Noiseless auto/car engine block for mini van and mini truck 1,High quality, reasonable &competitive price.2,We ... disc and clutch kits. O.D range from 160mm- 430mm.3,We can designed and developed different kinds of clutch disc ... toque spring with material 60 Si2Mn,Forged clutch hubs , Anti-rust paper and oil 5,High standard heat treatment system for progressing.6 ...