Comp Cams Camshaft - Magnum - Hydraulic Flat Tappet - Lift 0.530 / 0.530 in - Duration 280 / 280 - 110 LSA - 2000 / 6000 RPM - Big Block Ford - Each-34-331-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO