Motion Pro 12-0030 Fuel Line Quick Disconnect Couplings - Single - 5/16in.

Single or dual shut-off valves. When connected fuel will flow and when disconnected fuel will not flow. Use dual shut-off for fuel tanks equipped with a crossover line. For fuel supply (fuel tank to carburetor), use the original quickdisconnect couplings with the single shut-off valve. Available for 1/4in. and 5/16in. i.d. fuel line. Capable of withstanding temperatures of -40 deg. F to 180 deg. F. Made in the USA.