(8) Guide Plates: GM LS Cathedral Port Heads (LS1/LS6) For 3/8" Pushrods

For Ultra Pro Magnumª GM LS Rocker Kit # 16755-KIT used w/ 3/8" pushrodsFull set of (8) guide plates;Êflat, 1-piece, non-adjustableFor 3/8" diameter pushrods &Ê8mm rocker studsFit GM LS engines w/ "cathedral port" cylinder heads (Ex. LS1, LS6)Designed using stereo lithography techniques for an accurate fitFeature exact stud placement & rounded contact pointsNecessary for high lift/spring pressure environments of performance enginesHardened & black oxide finished