COMP Cams Magnum rocker arm kits feature the popular Magnum steel roller tip rocker arms that are made from 8620 chromoly steel. This superior material, along with the Magnum's super-stiff design, ensures maximum lift because these rocker arms won't lift. Each rocker arm kit includes quality COMP Cams pushrods. Some kits include pushrod guideplates and/or rocker arms stud where applicable.