Howards Racing Components Camshaft - Mechanical Flat Tappet - Lift 0.535 / 0.540 in - Duration 276 / 280 - 106 LSA - 2500 / 6500 RPM - Small Block Chevy - Each-110912-06S--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO