OK request send NH-220-CI-1L S/N 8019-UP CYLINDER HEAD Section CYLINDER HEAD NH-220-CI-1L S/N 8019-UP Komatsu: CYLINDER HEAD 030010 ROCKER ARM AND HOUSING 030020 ROCKER ARM HOUSING COVER 030030 COMPRESSION RELEASE 030040 WATER MANIFOLD 030050 AIR INTAKE MANIFOLD AND CONNECTION 030060 EXHAUST MANIFOLD AND MUFFLER 030070