Hot-Lap II is a low cost tire treatment specifically formulated for races of 25 laps or less. Hot Lap II works as a great tire softener. Gives your tires the "edge" that you need! Reduces lap time 2-5 tenths. Absolutely undetectable. Guaranteed! Increases tire life up to 50%. Comes in fast and will not go away. One gallon treats enough tires for four racing weekends.