FUELAB Fuel Surge Tank Systems are designed to prevent fuel starvation due to fuel sloshing or limited tank baffling. Particularly suitable for vehicle racing such as Autocross, drifting or off-road use where fast changes in G-forces can allow air to be picked up by the main fuel pump. Fuel Surge Tank Systems maintain a small amount of fuel to operate its own internal fuel pump(s) that can supply high fuel flow rates, while only needing a relatively low fuel flow rate from the main fuel tank pump. Matched with our E85 compatible 494 Series 340lph pumps, this combination provides enough flow for up to 1000 whp on E85.