Roll Over Valve 1/4" x -6JIC
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Newton fuel tank roll over valve -6JIC thread to fit to tank; 1/4 push on union for vent to air. A fuel tank valve that allows; 1) air to replace fuel used. 2) air to escape due to heat expansion. 3) a positive shut off to prevent fuel escape due to a roll over. This is achieved by a two ball system one. Valve must be mounted vertically.