Walk pit lane. Any pit lane Sebring, Le Mans, Laguna Seca you name it. Wherever you find Porsches winning, you'll find fuel cells by Fuel Safe. These high performance, high quality systems set the standard professional racing teams throughout the world hold for safety and reliability. Designed to fit perfectly in the stock fuel tank location, Fuel Safe fuel cells incorporate their seamless Pro Cell Bladder into a .063 aluminum, TIG-welded container for maximum protection against intrusion or spillage under the most adverse conditions.