Additional fuel tank Swirl Pot. Used in motorsport, allows for a continuous supply of fuel even during high overloads. The tank is made entirely of polished aluminum. Capacity: 1.5L. The product does not have road approval. It is designed for use in motorsports, tuning exhibitions and others. Additional fuel tank Swirl Pot. Used in motorsport, allows for a continuous supply of fuel even during high overloads / The tank is made entirely of polished aluminum. Capacity: 1.5L.