Comp Cams Camshaft - High Energy - Hydraulic Flat Tappet - Lift 0.475 / 0.475 in - Duration 260 / 260 - 110 LSA - 1200 / 5200 RPM - Big Block Chevy - Each-11-203-3--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO