Manufacturer Part Number: RK-551-2, PR-437, MPR437S
Fitment: The 9.638" pushrods and rocker arms set fits for Jeep Wrangler Grand Cherokee 4.0L 1987-2006
Premium Material: The pushrods & rocker arms kit is made of high strength materials, it has the advantages of fine rigid structure, sturdy and reliable to use
Function: The rocker arm, located on the top of the engine, converts the rotational motion of the camshaft into the movement of the valves by making contact with the camshaft. The rocker arm and push rod set play a role in amplifying and transmitting the motion of the camshaft
Essential Component: The rocker arms and pushrods kit is an essential component of the engine, mainly used to control the opening and closing movement of the valves. It usually consists of rocker arms and pushrods