2026 Northern Allstars Late Model Dirt Series Rulebook
Tire Rule

Brownstown (IN) Speedway – March 14

Florence (KY) Speedway – March 21

* Fronts/Left Rear – Hoosier (90) NLMT2, (90) NLMT3

* Right Rear – Hoosier (92) NLMT3, (92) NLMT4

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2025 Northern Allstars Modified Dirt Series Rulebook
Tire Rule
* The only tires approved for Northern Allstars/DIRTcar competition are the Hoosier: M-30S and M-60 compounds in the DIRTcar plated tire 26.5/8.0/15 or 27.5/8.0/15. The maximum width of the tire will be 9” inches.
* The M-60 may be used as a right rear option tire only.
* Grooving is NOT permitted. You are allowed to grind only. No grooving, no needling, no removal of material from the tire.
* Siping permitted on M-30 and M-60.
* Recapping of an approved tire is not permitted.