COMP Cams 12-422-8: Comp Cams Xtreme Energy Hydraulic Roller Camshafts
Chevy 262-400ci Small Block 1955-98 For engines NOT originally equipped with a hydraulic roller camshaft.
Xtreme Energy XR270HR-10 Retro-Fit Hydraulic Roller Camshaft Lift: .495''/.502'' Duration: 270°/276° Lobe Separation Angle: 110° RPM Range: 1600-5400