This COMP Cams flat one-piece guide plate set fits Oldsmobile 350–455 engines using 5/16" pushrods and 5/16" studs, providing proper pushrod positioning for reliable valvetrain operation. Supplied as a single flat guide plate unit in hardened finish, it’s intended to replace or restore correct pushrod guidance where original plates are worn or missing.
COMP Cams Guide Plates Olds 5/16