Comp Cams Camshaft - Xtreme Energy - Mechanical Roller - Lift 0.653 / 0.660 in - Duration 286 / 292 - 110 LSA - 3000 / 7000 RPM - Big Block Chevy - Each-11-772-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO