Rocker arm and camshaft assembly compatible with Hisun 700cc models including HS700, MSU700, Supermach, Massimo, TSC, ATV, and UTV vehicles.Designed to replace worn or damaged components, this set supports proper valve train and engine performance.The rocker arm pivots to transfer from the pushrods to the valves, while the camshaft controls the timing and duration of valve and closing.Constructed to match specifications for fitment and function.Installation requires standard mechanical tools and knowledge of engine systems.