Comp Cams Camshaft - Nostalgia Plus - Hydraulic Flat Tappet - Lift 0.483 / 0.477 in - Duration 286 / 293 - 112 LSA - 2300 / 6500 RPM - Small Block Chevy - Each-12-672-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO