... seal(pic as below) 4.customer logo in head motorcycle engine valve 150cc, motorcycle engine valve, 150cc intake & exhaust valveType Intake & Exhaust ValveEngine valve ... , sprocket, bearing, wheel, tires, rims, and others.Engine partsCylinder block, cylinder head, crankshaft, camshaft, piston, piston ring, magneto, clutch, paper gasket and ...