COMP Cams 12-444-8: 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 XR300HR Retro-Fit Hydraulic Roller Camshaft Lift: .562"/.580" Duration: 300/306 Lobe Separation Angle: 110° RPM Range: 3200-6200