COMP Cams 12-408-8: 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 XR258HR Retro-Fit Hydraulic Roller Camshaft Lift: .480"/.487" Duration: 258/264 Lobe Separation Angle: 110° RPM Range: 1000-5000