... hardness 3.Genuine parts,quality guarantee 4.wholesale price KAD motorcycle camshaft series Product name Camshaft Brand name KAD Model number ... ), high hardness,excellent abrasion resistance2.the hardness of the cam top reaches at 50~58 HRC,long service life3. exquisite workmanship ... oil We can offer various model number and specification of motorcycle parts,we strive to try our best to satisfy our ...