COMP Cams 12-243-3 - CamShaft, CS X4 270H-11

COMP Cams Xtreme 4X4 X4270H-11 Camshaft for Small Block Chevy Hydraulic - Xtreme 4X4: Strong mid-range and throttle response, likes headers, gears. 2200+ stall. Hydraulic - Xtreme 4X4: Strong mid-range and throttle response, likes headers, gears. 2200+ stall.; 270/278 Advertised Duration, 226/234 Duration .050", .480"/.498" Lift, 111 Lobe Separation; Valve spring upgrade required