Motion Pro 1/4" & 5/16" Quick Disconnect Couplings Being able to remove your fuel tank quickly and easily makes servicing your bike far more efficient. This quick disconnect make that task far simpler. 2 sizes and 3 configurations available. Features: Available for 1/4" & 5/16" I.D. fuel line Capable of withstanding temperatures of -40 degrees F to 180 degrees F These fittings now come with Viton® type fluoroelastomer o-rings with superior chemical resistance Made in the USA Warning: Not for use with fuel injected engines Quick-Disconnect Couplings with the dual shut-off valve Dual shut-off valves when connected fuel will flow - & when disconnected fuel will not flow Use Dual shut-off for fuel tanks equipped with a cross-over line For fuel supply (fuel tank to carburetor), use our original Quick-Disconnect Couplings with the single shut-off valve Single shut-off valves when connected fuel will flow - & when disconnected fuel will not flow For fuel supply (fuel tank to carburetor), use our original Quick-Disconnect Couplings with the single shut-off valve Quick-Disconnect Couplings with straight through design - no shut-off valve Straight thru no shut off