Comp Cams Camshaft / Lifters - Magnum - Hydraulic Flat Tappet - Lift 0.575 / 0.575 in - Duration 305 / 305 - 110 LSA - 3000 / 6800 RPM - Big Block Chevy - Kit-CL11-214-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO