Comp Cams Camshaft - Drag Race - Mechanical Roller - 4/7 Swap - Lift 0.873 / 0.800 in - Duration 314 / 334 - 114 LSA - 4800 / 8500 RPM - Big Block Chevy - Each-11-751-14--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO