COMP Cams 11-433-8 - CamShaft, CB XR288HR-10

COMP Cams Xtreme Energy XE288HR-10 Camshaft for Big Block Chevy Hydraulic Roller - Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall. Hydraulic Roller - Xtreme Energy Retro-Fit: Street/strip applications, works well in large c.i. street machine with 2500+ stall.; 288/294 Advertised Duration, 236/242 Duration .050", .521"/.540" Lift, 110 Lobe Separation; Valve spring upgrade required