Comp Cams Camshaft - Xtreme Energy - Mechanical Flat Tappet - Lift 0.477 / 0.488 in - Duration 262 / 268 - 110 LSA - 1300 / 5800 RPM - Small Block Chevy - Each-12-675-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO