The A7 is currently the fastest DOT radial tire. Ideal for autocross competition and other formats that require quick activation, like Time Attack/Time Trial.
Capable of surviving extreme track use, with proper care and feeding(alignment/pressure/driving)
Hoosier Racing Tire Sports Car DOT A7 Radials are Racetrack & Autocross Only tires developed for drivers who compete in autocross, time trial and hillclimb events in dry conditions where responsiveness and high levels of grip at lower operating temperatures are desirable. A7 Radials are also used for road racing on lightweight cars or when competing in cool ambient temperatures where Hoosier Sports Car DOT R6 Radials cannot be brought up to favorable operating temperatures.