Cotton Bowl Speedway will allow racers to run their Hoosier G-60, KK-704’s and Asphalt pull offs or Hoosier H500 tires until May 1, 2016. Then racers must run Hoosier H500 only. We will work with drivers on body rules, if a body is found to be illegal we will give you a time to have it fixed, until May 1, 2016. All other rules must be met at start of season.