Comp Cams Camshaft / Lifters - High Energy - Hydraulic Flat Tappet - Lift 0.485 / 0.485 in - Duration 268 / 268 - 110 LSA - 1500 / 5500 RPM - Big Block Chevy - Kit-CL11-205-3--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO