COMP Cams Rocker Arms RPS300 Rocker Arm 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. Magnum 1.72 Rocker and HE Pushrod Kit for Retro-Fit Roller BBC GEN V BBC COMP Cams Magnum Rocker Arm/Pushrod/Stud Kit for Big Block Chevrolet Gen V COMP Cams Rocker Arm/Pushrod Kit CB 1.7