Comp Cams Camshaft - LST Stage 2 - Mechanical Roller - Lift 0.672 / 0.668 in - Duration 282 / 294 - 113 LSA - 3300 / 7500 RPM - GM LS-Series - Each-54-313-11--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO