COMP Cams 12-235-2 - CamShaft, CS X4 254H-11

COMP Cams Xtreme 4X4 X4254H-11 Camshaft for Small Block Chevy Hydraulic - Xtreme 4X4: Strong low end and mid-range torque, good idle. Hydraulic - Xtreme 4X4: Strong low end and mid-range torque, good idle.; 254/262 Advertised Duration, 210/218 Duration .050", .447"/.462" Lift, 111 Lobe Separation; Valve spring upgrade required