Howards Racing Components Camshaft - 4/7 Swap Steel Billet - Mechanical Roller - 4/7 Swap - Lift 0.640 / 0.640 in - Duration 283 / 289 - 106 LSA - 3600 / 7600 RPM - Small Block Chevy - Each-114013-06S--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO