Rocker Arms are an important part of the valve train, providing not only a means of actuating the valves thru adjustment but also provide a means of multiplying the lift ratio.O&J Performance Mechanical lifters are the most race-oriented lifter design. The combination of a Mechanical Lifters and a O&J Performance cam make these the best choice for high-rpm competition engines running even the most aggressive camshaft designs. Increased valve spring pressure can be run with little concern of camshaft damage.Simply the best Rocker Arm available in the market for KA24E.REMEMBER customer needs to provide a core or a $75.00 core charge will apply.

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