... Material:aluminum alloy 2.Process:die-casting 3.Size: Custom Motorcycle engine water inlet cover1.Raw material:aluminum alloy (zinc, ... according to customer requirements.2.Type:aluminum die-casting motorcycle engine water inlet cover .3.Color:silver white,offwhite ... die casting,CNC lathes,milling machines,deburring,polishing,spray paint,CMM,spectrometer test.5.High temperature treatment:water quenching ...