Surplus, unused 3-way manual fuel valve, size AN-4 for 1/4" lines.  There are many uses for this aluminum valve: aviation, hot rods, motorcycles, and other hobbies.  May also be used as a one way shut off by plugging an opening.  It was made for switching between fuel tanks used on older aircraft.  It may not be the sexiest valve ever made, but it will last a lifetime.

The square base mounting pad is 2" (inches) across, the threaded mounting holes are 1-3/16" apart, the handles is 3" long, and it weighs 8 ounces.  I have personally seen similar valves on racing cars such as Sprints, Midgets, and vintage dragsters.

Last picture is of a similarly sized valve as seen in a vintage Sprint racing car.  I took the picture myself in Nov, 2013.

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