Comp Cams Camshaft - Computer Controlled - Hydraulic Flat Tappet - Lift 0.490 / 0.495 in - Duration 256 / 268 - 114 LSA - 1000 / 5200 RPM - Big Block Ford - Each-34-255-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO