COMP Cams adjustable rocker arm conversion kits replace the factory studs with new studs, spacers, and adjusting nuts. These kits are a simple, easy, and inexpensive way to add an adjustable valvetrain to your engine.

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COMP Cams Rocker Arm Stud Girdle Nut, Roller Rockers for 3/8 in. Stud Ultra Pro Magnum Rockers

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