These carburetor repair kits are the most complete kits available. They do not only include all carburetor O-rings, plugs, float needle, gaskets etc., but also all manifold O-rings and air cleaner to carburetor gaskets. Fit all Sportster 1988-2006 and all Big Twin 1990-2006 with the stock Keihin CV (Constant Vacuum) carburetor (OEM 27006-88).