Comp Cams Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.513 / 0.520 in - Duration 262 / 270 - 110 LSA - 1400 / 5600 RPM - Ford Cleveland / Modified - Each-32-242-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO