Comp Cams Camshaft - Drag Race / Oval Track - Mechanical Flat Tappet - Lift 0.540 / 0.534 in - Duration 290 / 304 - 106 LSA - 4000 / 7000 RPM - Small Block Chevy - Each-12-611-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO