Billet Specialties 20929 oval polished valve cover breather. Precision machined from 6061-T6 billet aluminum. Features a unique two-piece design with a positive o-ring seal and washable filter element. Notice the attractive smooth polished styling. Fits common custom valve covers with 1.22 breather holes. Sold as one breather. Billet Specialties 20929 21929 oval billet aluminum valve cover breather 20929 Billet Specialties 21950 oval valve cover breather. Precision machined from 6061-T6 billet aluminum. This breather has a hose barb for a 3/8" hose for positive crankcase ventilation. Features a unique two-piece design with a positive o-ring seal and washable filter element. Notice the attractive smooth polished styling. Fits common custom valve covers with 1.22 breather holes. Sold as one breather. 21929 HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. We will not ship to freight forwarding - expediting companies. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.