The Safety valves pilot valveplunger driven in front of mouth;
其导阀口前面有导向柱塞；
2
Because the hydraulic valveplunger automatic control valve clearance is zero gap, simultaneously may reduce the engine noise.
由于液压挺杆自动调节气门间隙为零间隙，同时可降低发动机噪声。
3
Using hydraulic valveplunger interior unique structural design, but automatic control timing mechanism transmission gap, transmission lift of CAM change, punctual make and break tire valve.