For Ultra Pro Magnumª GM LS Rocker Kit # 16755-KIT used w/ 3/8" pushrodsSingleÊguide plate;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
gm ls cathedral port heads LS1/LS6
gm ls cathedral port heads LS1/LS6
