Comp Cams Camshaft - Xtreme Energy - Hydraulic Roller - Lift 0.521 / 0.521 - Duration 270 / 276 - 110 LSA - 1800 RPM / 5400 RPM - Big Block Ford - Each-33-422-11--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO