Roller Rocker and Push Rod Kits from COMP Cams come with everything you need to install your new rocker arms in one convenient package. With this kit, there is no second guessing; you know all the parts match. Confidently install your new rocker arms and experience the difference. All components are also available as separate pieces. PartNumber : ccaRPM1452-16 Description : Rocker Arm And Pushrod Kit Title : RPM1452-16 Rocker Arm/Pushrod Kit, P Magnum Ratio : 1.52 Stud Diameter : N/A California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Kit Type : Rocker Arm and Pushrod Kit Pushrod Series : Magnum Rocker Arm Ratio : 1.65 Rocker Series : Magnum 1972 Pontiac Bonneville Base V8.7456cc Engine Components::Rocker Arms 1967 Pontiac Firebird Base V8.5343cc Engine Components::Rocker Arms 1972-1974 Pontiac Firebird Base V8.6555cc Engine Components::Rocker Arms 1972-1974 Pontiac Firebird Esprit V8.6555cc Engine Components::Rocker Arms 1972-1974 Pontiac Firebird Formula V8.6555cc Engine Components::Rocker Arms 1972-1974 Pontiac Firebird Trans Am V8.6555cc Engine Components::Rocker Arms 1965-1966 Pontiac Star Chief Base V8.6376cc Engine Components::Rocker Arms 1966 Pontiac Star Chief Executive V8.6376cc Engine Components::Rocker Arms