Chevy LS1 Hydraulic Roller Camshaft Kit with Superior conical spring design to allow for a smaller retainer to lighten valve train weightIncludes Camshaft of your choice:# 00572Performance Level 2 works well for 4.8-5.7 combos with or without power adders, this cam will work with stock converters 217/226 @ .050 ..553"/.575" Gross Lift 114 LSA Responsive mid-range power Modified computer, exhaust & high flow intake recommended. Intended for off hwy use only> "Read More" or # 00573 Performance Level 3 works well for 5.7-6.2 combos with or without power adders 226/232 @ .050 .566"/.566" Gross LIft 114 LSA Mid to Top end power in highly modified engine Intended for off hwy use only>"Read More" Pushrods - Radius End One Piece 7.350" , 7.400" or 7.450"Valve Locks # 86118Valve Springs # 68435Chromoly Retainers # 87015-16Option to add Rocker Bushing kit # 73501Learn More