Also, sprint car teams, you still have a month to use up your inventory of tires until the new tire rule takes effect.
Effective June 2nd, 2014:
The only tire allowed in competition will be the Hoosier 105/16-15 Med.

For races prior to June 2nd, teams will be allowed to use their current inventory of Hoosier 104/17-15DT or Hoosier 105/15-15 HT2 along with Hoosier 105/16-15Med.