Using COMP® Shaft Mount Rocker Systems is one of the most effective ways to increase horsepower. It transfers the power of the camshaft to the valve by properly positioning the rocker over the value. Constructed from 2024 aluminum and using an 8620 hardened steel shaft, COMP® shaft rockers are designed using the latest in computer technology and are field tested by experts in every type of racing.
• Made from high-quality extruded aluminum
• Adjustable pushrod seats for perfect rocker arm geometry
• Full rollerized at the roller tip and trunion
• Clearance must be checked when using stock valve covers
• Available in 1.6 and 1.7 ratios