black aluminum 90 degree elbow -6 an an6 male to 3/8" npt male fitting adaptor connector ac performance <b>male npt thread to male an hose adaptor.</b><br> also available in different size and color, pls contact us for more information.<li><li>the an thread is a particular type of fitting used to connect flexible hoses and rigid metal tubing that carry fluid, fit all oil / turbo fuel line / rail pump injector fitting </li><li>no longer do you need to worry about flaring and splitting aluminum tubing to make your connections </li><li>universal using for braided fuel lines (hoses) oil, fuel, water, fluid and air line </li><li>they assure positive sealing and come in a corrosion-resistant finish. </li><li>they provide a secure way to connect lines through panels </li><li>from there it's usage spread to the aftermarket automotive performance field for its ease in adaptability, upgradability and durability. </li><li>professional installer is highly recommended. installation instruction is not included </li>