Comp Cams Camshaft - Factory Muscle - Mechanical Flat Tappet - Lift 0.394 / 0.400 in - Duration 287 / 291 - 110 LSA - 1500 / 5500 RPM - Small Block Chevy - Each-12-108-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO