Effective June 1st, 2015, the new Hoosier A40S tire will NO LONGER be legal to run on the rear axle, then on July 1st, 2015, the Hoosier A40S will not be legal on the front or rear at Federated Auto Parts Raceway at I-55.
You will only be allowed the older type A40 and H40 tires (including the new size 26.5 H40)
