Comp Cams Camshaft - Magnum - Hydraulic Flat Tappet - Lift 0.510 / 0.510 in - Duration 270 / 270 - 110 LSA - 1500 / 5800 RPM - Big Block Chevy - Each-11-207-3--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO