Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.540 / 0.562 in - Duration 294 / 300 - 110 LSA - 2800 / 6100 RPM - Small Block Chevy - Each-08-443-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO