Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.480 / 0.487 in - Duration 258 / 264 - 110 LSA - 1000 / 5000 RPM - Small Block Chevy - Each-12-408-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO