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Modified Class Rules

1. Hood and windshield required 

2. PPE - Arms and Legs must be covered - Non-polyester material

3. OEM structure must be recognizable 

4. Fiberglass body's or tube frames not allowed 

5. Axle placement must remain under OEM frame 

6. Body swap allowed 

7. Tires must be DOT approved and limited to 38.5" in diameter

8. No cut paddle or pivot tires 

9. No lift limit 

10. No blowers/aftermarket turbo's 

11. No nitrous - remove bottle, alcohol, etc 

12. Gas, Diesel, and VP allowed 

13. Propane may be used but only as primary fuel source! (No injection)

14. 450 HP (## sea-level HP) limit rear wheel (ACTUAL) 

15. Driveline loops required. U-Joint guards on differentials mandatory

16. Roll Bar is Mandatory on unaltered OEM Cabs 

17. Altered Cab must have a minimum 4 point Roll Cage with 5 point harness is  mandatory 

18. Neck braces recommended 

19. Transmission shield required only if transmission brake present

20. No frame extensions 

21. Motor can be relocated but must remain under hood 

22. Must also meet all required points in vehicle rules