Comp Cams Camshaft - Oval Track - Mechanical Flat Tappet - Lift 0.495 / 0.507 in - Duration 270 / 280 - 106 LSA - 2500 / 5800 RPM - Small Block Chevy - Each-12-607-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO