COMP Cams 12-234-2 - CamShaft, CS XE256H-10

COMP Cams Xtreme Energy XE256H-10 Camshaft for Small Block Chevy Hydraulic - Xtreme Energy: Strong torque thru low end and mid-range, good idle. Hydraulic - Xtreme Energy: Strong torque thru low end and mid-range, good idle.; 256/268 Advertised Duration, 212/218 Duration .050", .447"/.454" Lift, 110 Lobe Separation; Valve spring upgrade required