61500050105 气门帽 Valve cap
406060010 O形橡胶密封圈 O-shaped rubber seal ring
614050048 进气门摇臂 Intake valve rocker arm
614050049 排气门摇臂 Exhaust valve rocker arm
612600050087 凸轮轴 Camshaft
612600020863 曲轴总成 Crankshaft assembly