COMP Cams 11-242-3 - CamShaft, CB XE268H-10

COMP Cams Xtreme Energy XE268H-10 Camshaft for Big Block Chevy Hydraulic - Xtreme Energy: Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall. Hydraulic - Xtreme Energy: Good for street machines, slightly rough idle, stock converter will work but best with 1800+ stall.; 268/280 Advertised Duration, 224/230 Duration .050", .515"/.520" Lift, 110 Lobe Separation; Valve spring upgrade required