It increases the octane number on 2 - 5 points and reduces knocking. It prevents mechanical damages because of knocking. It increases the engine efficiency and improves dynamic values. It reduces fuel consumption. It can be used with leaded and unleaded gasoline. It is lead-free. Application: add in the tank at each fueling, preferably before fueling. One 325-ml bottle is enough for 40 - 70 liters of gasoline.