<p>GM 4L80E Transmission Line Adapter Kit </p> <p> </p> <ul> <li>Designed for the Front (short fitting) and rear (long fitting) transmission line ports, -6AN to 1/4"NPSM (thread O.D. .516", standard GM transmission case thread)</li> <li>These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission cooler</li> <li>This fitting kit compatible with 4L80E transmissions</li> <li>Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum.</li> <li>Package Includes: 1 front fitting,1 rear fitting (both are bare aluminum finish), and 2 O-Rings</li> </ul>