Use when converting from OEM fuel-injection systems to use a carburetor in order to deliver adequate fuel for large-displacement engines Kit replaces the factory tank fittings, allowing the use of a high-quality, high-flow Pingel fuel valve to feed the carburetor Made in the U.S.A. Due to tight tolerances in the tank fittings, a Pingel fuel valve is the only one that will fit.. TANK FITTING KIT XL