Quick Connect Fuel Line Adapter -6AN Hose to 5/16" factory fuel "return" line (for "feed" fuel lines use 3/8" part # AN808-021B) <p> </p> <ul> <li>Package Includes: 1pc fuel line adapter</li> <li>Safe to use with all fuel types</li> <li>This fuel adapter fitting paired with -6AN braided line has fueled well over 1200 flywheel horsepower with E85 on our engine setups</li> </ul>