(1) Guide Plate: GM LS Cathedral Port Heads (LS1/LS6) For 5/16" Pushrods

Replacement component for Ultra Pro Magnum™ GM LS Rocker Kit # 16755-KIT

Single guide plate; flat, 1-piece, non-adjustable

For 5/16" diameter pushrods & 8mm rocker studs

Fit GM LS engines w/ "cathedral port" cylinder heads (Ex. LS1, LS6)

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

Hardened & black oxide finished