November 26, 2024 ~ Dacono, CO Drivers & Crew: below is the outline for the final Rule changes for 2025. Questions, comments, concerns,...

SUPER LATE MODEL Click Here to Download SLM Updates & Reminders MODIFIEDS Click Here to Download MOD Updates & Reminders

Spears Manufacturing Modified Series Update: Track Width rule and Weight option for Colorado National Speedway event. The race will...

7/10/24 ~ Dacono, CO A post-race appeal was submitted on behalf of the 21 GAM indicating that an error had occurred. Upon review and...

ATTENTION GRAND AMERICAN MODIFIED DRIVERS!! Please review updated rules 06-09-22: Click Here to View Updated Rules

NOTE: Within the rules files below Red and Redline text: deleted for 2020; text is left in the Rules for reference only. Yellow...

Attention all CNS Race Participants! Effective immediately, the following clarification applies to all Engines running a Allstar...

After consultation with NASCAR, the following penalties have been issued concerning the May 1, 2021 Incident: The Driver of the #48 Grand...