Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.495 / 0.502 in - Duration 270 / 276 - 110 LSA - 1600 / 5400 RPM - Small Block Chevy - Each-08-422-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO