2021 Tire Rules:

Done for 2021 Season; See You at the Track in 2022!

*** Tires will be checked for soaking and by durometer for hardness before each car goes on the track for qualifying or any racing action.

Weight Rules:

2350# - Open Motor
2300# - Steel Block/Aluminum Head - Spec Motor Only (8" spoiler allowed, 12" sides)
2250# - CT525 Motor (8" spoiler allowed)
2250# - All Steel Motor or Crate Motor (8" spoiler allowed, 12" sides)

* 1# per lap burnoff + 5 lbs. in B-Mains and Feature

Body Rules:

In 2021, the Spring Nationals Series will follow the rulebook and droop rule adopted by the World of Outlaws Morton Buildings Late Model Series. Spring Nationals Series officials reserve the right to change and/or alter rules and procedures at any time. ALL OFFICIAL DECISIONS ARE FINAL!

* Full Rulebook (.pdf file)
* Droop Rule Bulletin (.pdf file)
* Body Bulletin (.pdf file)