The Titan 9901220000 Gravity Feed Solenoid Valve Kit. For vehicles with 1.50" or 2.00" fill neck hoses. This kit includes all of the parts needed to hook up an in-bed tank to the vehicle fill neck with an electric shut-off valve controlled from the vehicle cab. Includes: solenoid valve, wiring, switches, hoses and rollover valve, 1.50" & 2.00" single tees, hose clamps, and grommet. Solenoid valve automatically closes when ignition is shut-off.