Comp Cams Camshaft - Tight Lash - Mechanical Flat Tappet - Lift 0.550 / 0.560 in - Duration 288 / 292 - 106 LSA - 3400 / 7000 RPM - Small Block Chevy - Each-12-506-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO