Fuel Transfer Tube O-Ring Seal Gaskets, Fits: Holley Carburetor Specs: *Sold as a 10 Pack *Top Quality Viton O-Rings *Used To Seal The Fuel Transfer Tube Between Fuel Bowls On Holley Single Feed 4 Barrel Carb *Also Works With Similar Style AED, Quick Fuel, Barry Grant, Street Avenger & Demon Style Carbs *These are Genuine Holley Brand Parts *These Parts Will Come In Bulk Style Bag Packaging