Effective immediately, Park Jefferson will be following the tire rules implemented by the MSTS series. All other rules are ASCS rules, however the tire rules have been amended as follows:
MSTS Tire Rules, Right Rear must be Hoosier ASCS 105x16.0-15 Medium or Hoosier ASCS 105x18.0-15 Hard. (Same as ASCS)
Left rear tire must be Hoosier RC1/D12/H12/H15. (Same as MSTS but different than ASCS)
All front tires must be Hoosier.
No tire softeners allowed. Tires must durometer within factory specifications.
http://www.parkjeff.com/downloads/get.aspx?i=376002
For any questions contact the track office at 712-202-5540.
- Adam Adamson on May 11, 2017
- Article Date: 5/11/2017