Comp Cams Camshaft / Lifters - Magnum - Hydraulic Flat Tappet - Lift 0.490 / 0.490 in - Duration 280 / 280 - 110 LSA - 2000 / 6000 RPM - Oldsmobile V8 - Kit-CL42-231-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO