GUIDE PLATES CHEV BB 3/8 RAISED set

Full set of raised, 1-piece, non-adjustable guide plates. For 3/8in diameter pushrods & 7/16in rocker studs. Fits Chevy 396-to-454ci Big Block. Designed using stereo lithography techniques for an accurate fit, Feature exact stud placement & rounded contact points.Necessary for high lift/spring pressure environments of performance engines, and they are hardened & black oxide finished.