Zz383 Crate Motor Rockers
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Finishing out your roller valvetrain is the Comp Cams Pro Magnum full-roller rocker arm. This rocker arm not only has the roller tip, but a needle bearing base that allows for a freer revving, less-drag rocker that will also reduce heat buildup. With this valvetrain installed in your engine, you can run any brand of the latest-rated API motor oil you want to without the worry of how much zinc, if any, it has. View Related Article
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