100% quality assurance tested, more responsive, less expensive, easier to install. Automatically controls the fuel level going into your Part Number tank, to prevent overflow. Feed fuel directly into your fuel tank from your truck bed transfer tank. Connect auxiliary fuel tank to truck's fueling neck to provide a continuous fuel supply. NOTE: The auxiliary fuel tank is connected to the vehicle's fuel tank, if you use an electric fuel pump to draw gas from the top of the fuel tank, you can perform Gasoline Auxiliary Fueling. Application: For / , 2WD / 4WD 1999-On For & 2011-On For Ram 2500 / 3500 1999-2012 For Fueled Auxiliary Fuel Tank & Newer Models with 1½inch Fill Line. Work with a 3/8inch female pipe thread drain fitting. Only for Engine!!! Fit for -powered passenger truck sizes through vehicle models 350 or 3500 (not for use on commercial/semi-trucks). How to Install: 1. Install the roll over valve into the fill line adapter tee. 2. Cut the factory fill line to make room for fill line adapter tee. 3. Install adapter tee as horizontal as possible. Make sure the roll over valve is upright. 4. Secure the adapter tee with large clamps on either end. 5. Remove drain plug from auxiliary tank. Install shut-off valve. Drill a hole through truck bed. 6. Clear edges of hole. Feed fuel hose to correct length needed to reach roll over valve. Colour:black+silver Material:Metal Package Contents: 1x Aluminum Adapter Tee 1x Aluminum Roll-over Valve 1x Shut-off Valve w/ Barb 1x Fuel Hose 2x Rubber Hose Sleeve 4x Small Hose Clamp 4x Large Hose Clamp 1x PTFE Tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.