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Updated 1/24/24
XR Super Series

Tire Rules may be adjusted at any time for any reason and will be properly communicated though text, email, and social media.

  • LF: Any Late Model Tire (Hoosier or American Racer).
  • RF, LR, RR: Hoosier NLMT 2, NLMT 3, NLMT 4, American Racer 48 and Above
  • No Limit
  • Can Mix and Match

Additional Info:

  • Grooving, Siping, Drilling of tires are allowed.
  • Only approved tires will be permitted for use in competition.
  • Chemical alterations, vulcanizing, tire softening, defacing, and/or altering the face of the tire lettering and/or tire stamping will not be permitted.
  • Tires may be inspected at any time.

Extensive Tire Testing will be conducted at every event.