COMP Cams Magnum Roller Rocker CB / FC

Marsoni

M251S

$32.37

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Magnum Roller Rocker CB / FCand Ford V8 429 460 Applications is the ultimate street Rocker. With a 7 16" Stud diameter and 1. 72 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Great price. It does what it's supposed to do. Keeps my air flow clean. Super easy to install, I can't believe mechanics charge to do this. Once you see how easy it is, you'll save yourself that expense. The material is top-quality charcoal, so it cleans all the nasty mold particles from getting into the vehicle. There is no smell, and that is a plus.

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Reviewed in the United States on January 1, 2026