Quick Disconnect Fuel Coupling with dual shutoff in 1/4" or 5/16". When connected fuel will flow & when disconnected fuel will not flow from either side. Use Dual shut-off for fuel tanks equipped with a cross-over line. Capable of withstanding temperatures of -40 degrees F to 180 degrees F. These quick disconnect fittings utilize Nitrile (Buna N) o-rings and may not be compatible with some race fuels. Made in the U.S.A. Choose size and click add to cart.