DSX FLEX FUEL KIT FOR 2014+ GM TRUCK LS1 Two fluorosilicone umbrella valves allow

Two fluorosilicone umbrella valves allow gravity filling of the bucket as a backup (though at extremely low tank levels

the return port cannot return fuel directly into the bucket itself

Each injector boss is also machined to accept a retaining clip to ease installation effort and keep injectors in place

but the factory line may have a small kink because of the extended connection point

DSX FLEX FUEL KIT FOR 2014+ GM TRUCK LS1 Two fluorosilicone umbrella valves allowThe DSX Tuning flex fuel kit is the original plug and play solution to adding flex fuel on Gen IV Gen V GM V8 vehicles. Use these kits to add the ability to run anywhere from straight gasoline to straight ethanol as well as reveal the true power potential of your setup. Forced induction scenarios especially benefit from the use of ethanol, and these allow you to seamlessly switch between gasoline and ethanol without having to monitor your fuel content