Allow or disallow flow at up to 370psi and establish air cooling only mode vs. cooling + octane. Or, use when a nozzle is mounted after a throttle plate or below tank level (to protect against vacuum or gravity siphoning). These are the same parts used in our Direct Port Systems and Dual Nozzle Upgrade Packages. Current draw is about .6A. Wiring polarity is interchangeable.
Kit includes: solenoid, 1/4" compression fittings, and bracket.