GUIDE PLATES FORD 289-351w 5/16 FLAT set

Full set of (8) guide plates; flat, 1-piece, non-adjustable, for 5/16in diameter pushrods & 7/16in rocker studs. Fits Small Block Ford 289, 302, 351ci Windsor. They have exact stud placement & rounded contact points. Necessary for high lift/spring pressure environments of performance engines. Hardened & black oxide finished.