... more than HRB90.3,Fine appearance ,free of burrs,clean and smooth scavenge ports and fine,good heat dissipation.4,Maching CNC lathe face ... increase in engine life.5,precise machining size,good shape and location allowance6,OEM serivce offered.We are the professional ... repairing kit,startor ,connecting rod,clutch,brake shoe,brake pad and also tyres ,belt,shock absorbers,decorating spare parts like ...