Jamie Larse is the Tech Official for these classes 608-604-5838
Stock Trucks 1. 8000lb max with driver.
2. Stock turbocharger.
3. No added weight.
4. No traction bars.
5. No smoke(which means ZERO smoke output allowed)
6. Stock fuel systems.
7. No blocking of suspension in anyway.
8. Nitrous/Water-Meth/Propane prohibited.
9. DOT approved tires. 35” max.
10. 26” hitch height.
11. Diesel fuel only.
12. Single rear wheel trucks must run single rear wheel tires. Factory dual rear trucks are permitted to run dual rear wheels.
13. Valid driver’s license, registration, and proof of insurance are required.
14. Tech official has final say upon vehicle inspection. No exceptions.

Work Stock Diesel

1. 8000lb max with driver.
2. After market turbochargers are allowed. True 2.5” inducer bore, no clipped wheels/no bushings/no tapered covers. .200 max MWE groove. 6.4L Powerstrokes may utilize factory twin turbos (no upgrades).
3. Additional weight allowed. Mounted securely in cab or bed of truck.
4. Traction bars allowed.
5. Programmers allowed.
6. Suspension may be blocked.
7. Nitrous/Water-Meth/Propane prohibited.
8. DOT approved tires. 35” max.
9. 26” hitch height.
10. No dual fuel pumps. (single CP3 only)
11. Diesel fuel only.
12. Valid driver’s license, registration, and proof of insurance are required.
13. Single rear wheel trucks must run single rear wheel tires. Factory dual rear trucks are permitted to run dual rear wheels.
14. Tech official has final say upon vehicle inspection. No exceptions.