Comp Cams Camshaft - Nostalgia Plus - Hydraulic Flat Tappet - Lift 0.426 / 0.420 in - Duration 258 / 265 - 112 LSA - 1000 / 5500 RPM - Small Block Chevy - Each-12-670-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO