Comp Cams Camshaft - Nostalgia Plus - Mechanical Flat Tappet - Lift 0.544 / 0.539 in - Duration 276 / 283 - 112 LSA - 1800 / 6500 RPM - Big Block Chevy - Each-11-671-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO