Comp Cams Camshaft - Oval Track - Hydraulic Flat Tappet - Lift 0.490 / 0.485 in - Duration 286 / 292 - 108 LSA - 3500 / 6300 RPM - Small Block Chevy - Each-12-330-4--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO