Cylinder Head Assembly / Honda 12200-ZH9-405Pack Size:1Honda 12200-ZH9-405J. Thomas 515786, Oregon 36-535Honda GX240 and GX270 engines; FR800 and FRC800 tillers; EB3500, EB3800, EG3500, EM3500, EM3800, EN3500, EX3300 and EZ3500 generators Does NOT include valve seals