Comp Cams Camshaft - Xtreme 4 x 4 - Hydraulic Flat Tappet - Lift 0.514 / 0.524 in - Duration 262 / 270 - 111 LSA - 1400 / 5600 RPM - Big Block Ford - Each-34-235-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO