... : Custom 2.Process:die-casting 3.Material:aluminum alloy New pattern motorcycle TB50 cylinder headPrecision die casting products 1.Type:motorcycle ... .Processing:die casting,CNC lathes,milling machines,deburring,polishing,spray paint,CMM,spectrometer test.5.High temperature treatment:water quenching and ... cooperate with you happy!To cooperate with us happy New pattern motorcycle TB50 cylinder head