Comp Cams Camshaft - Xtreme Marine - Hydraulic Roller - Lift 0.547 / 0.547 in - Duration 284 / 290 - 112 LSA - 2200 / 5800 RPM - Big Block Chevy - Each-01-451-8--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO