1. Not only has function of valve retainer, but in the course of valve opening and closing can forcibly make valve rotate around its axis, and make valve seat, valve guide grind each other and wear evenly to remove carbon deposit in between.

2. It can prevent air leakage or sna

3. It make the valve heated and radiate evenly.

4. It reduce thermal stress, and can prevent valve torsion wrap

5. On the same condition, valve service life extended 3 times as the old generation.

    Tianxuan’s Valve Rotators are supplying for more than 20 engine manufacturers from single cylinder engine to 20 cylinders, the power range 2—8840KW, produce about 220 kinds of valve rotators, we are the leader of valve rotators with 70% domestic market share.