The Rocker Arm in Jeep Wagoneer cars is a crucial component of the engines valvetrain system that helps to transmit motion from the pushrod to the intake as well as the exhaust valves. Made nearly always from stamped steel or aluminium, the Rocker Arm translates the linear movement of the pushrod vertically into the required up and down movement to open the valves. High RPM engines use aluminium for light weight, whereas, cast iron or forged carbon steel is used in diesel engines for long life. Some types of Rocker Arms including the roller rockers have needle bearings that help to save wear and tear as compared to many other designs. The rocker ratio of engines today is within 1.5:1 to 1.8:1, which makes it possible to have more lift in the camshaft to performance its function optimally. Rocker Arm are also used in the high-RPM engines of Jeep Wagoneer for handling stress and upgrading the fulcrum bearings has also been used in these vehicles to explain the advancement made in the Rocker Arm technology.
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