Comp Cams Camshaft - Tight Lash / Drag Race - Mechanical Flat Tappet - Lift 0.550 / 0.570 in - Duration 288 / 296 - 106 LSA - 4200 / 7200 RPM - Small Block Chevy - Each-12-515-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO