For sale is a new inline fuel cut off valve for 1/4" fuel line. It will work with 5/16" fuel line as long as you use a clamp. These valves are nice to have on equipment that you are storing. You can turn the valve off and run the engine until all the fuel is out of the carburetor. These valves will work on almost any application with 1/4 or 5/16 fuel line.