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COMP Cams Pro Magnum Roller Rocker Arms

4.75 out of 5 stars 16 Customer Reviews

COMP Cams Pro Magnum roller rocker arms combine the strength of 8650 chromoly steel and the weight savings of aluminum rockers. took advantage of computer design to simulate the stresses that affect rockers under various operating loads. This allowed the engineers to lessen the rockers' mass at non-critical areas, and strengthen the areas that take the most punishment. The results were rocker arms that are strong where they need to be, and actually weigh 5 percent less at the valve than comparable aluminum rockers. This means more RPM and valve train stability.

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