DEI Powersport Motorcycle Fuel Tank CoverJust as racers use tire warmers to maintain tire temperatures between sessions, its equally important to maintain stable fuel temperatures. Hot fuel results in less HP, increased fuel pump stress, and the increased risk of vapor lock. The DEI slip on fuel tank cover is made from a 2mm felt backed Mylar material and is capable of reflecting up to 90 percent of the suns heat. This helps prevent the fuel in the tank from baking in the sun between green