The Engine Rocker Arm is used to actuate the valves by transferring the motion from the camshaft to the valve stem. As the camshaft rotates, the lobes push against the rocker's arm, causing it to pivot and move, which in turn opens and closes the valves. It ensures that the valves open and close at the precise moment needed for optimal combustion, allowing the right amount of air and fuel mixture into the combustion chamber and expelling exhaust gases efficiently.Attributes:• Withstands the repeated impacts and forces from the camshaft lobes• Provisions for lubrication to ensure smooth operation and reduce friction Applications:The Engine Rocker Arm used for accurate valve control and timing makes it a necessary component in ensuring efficient and reliable engine operation.