This fuel tank fitting fromAeroflow Performance allows the user to alter a stock tankto have a return fuel line installed with ease. This is great when upgrading to a larger in-line electric fuel pump that requires a return tobe installed into the fuel tank. The installation is easyas this acts like a riv-nut insert. Simply drill a hole into the tank, install the riv-nut insert into the tank, and screw in the supplied boltinto the riv-nut then lock it into place. A -8ORB to -6AN Male fitting is included to allow the user to plumb up thereturn fitting.