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Rocker Arm is an essential component of the Dodge Caravan vehicle's internal combustion engine in the valvetrain mechanism through which the motion is transferred from the pushrod to the intake and exhausts valves. Usually fabricated from stamped steel or aluminum, the Rocker Arm translates the movement of the pushrod which is in the vertical plane into the required movement downwards to lift the valves. Aluminium is commonly used in high RPM engines due to its lightweight nature while the cast iron and forged carbon steel are used on diesel type of pistons. Roller rockers, which employ pins that minimize contact surfaces and therefore friction between the valve stem and a lever that guides the valve, may be used in Dodge Caravan models and are part of performance packages, Needle bearings come in roller types to enhance efficiency besides the valve springs that hinge on them for their operation. Against the conventional designs that provide rocker ratio of between 1.5:1 and 1.8:1 in modern engine, provisions of higher camshaft lift results in the enhanced performance. New and improved fulcrum bearings are also used for engine with high RPM in dealing with stresses and enhancing the general Rocker Arm system of the Dodge Caravan intake manifold.