Comp Cams Camshaft - LSR Rectangular Port - Hydraulic Roller - Lift 0.621 / 0.624 in - Duration 285 / 301 - 113 LSA - 2200 / 7200 RPM - GM LS-Series - Each-54-470-11--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO