Howards Racing Components Camshaft - Steel Billet - Mechanical Roller - Lift 0.663 / 0.680 in - Duration 281 / 287 - 110 LSA - 3000 / 7000 RPM - Big Block Chevy - Each-121153-10--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO