The automotive engine rocker arm is a vital part of the engine valve train. Acting as a lever, it transmits the force from the camshaft to open and close intake and exhaust valves.
Roller rocker arms and stamped rocker arms are mainstream types. It is manufactured from forged or cast steel, requiring high rigidity, wear resistance and fatigue strength to sustain continuous high-speed engine operation. Reduced friction helps improve engine efficiency.
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