Allstar ALL26094 14" Diameter 5-1/8" Flange Plain Aluminum Carburetor Air Cleaner Kit with 1/2" Spacer Carburetor air cleaner kit is designed for use with a 14 inch diameter air filter element (sold separately) Kit includes top, bottom, 1/2 inch spacer with o-ring seal to keep contaminants out of the engine and is designed for a 5-1/8 inch carburetor flange Constructed from quality aluminum and features a plain finish It will not clear with hei distributors and must use Allstar part 26095 offset air cleaner kit if using hei type distributors Sold as one kit (less filter element)