12,000 Hot Stock Tractor Rules for 2026-2028

New rules in red.

PDF AVAILABLE HERE!

  1. Weight – 12,000lbs Maximum Weight
  2. Speed – The speed limit will be 14.5 mph.
  3. Turbo – Will be checked with a 2.30 plug. Part number must match one of the following:
    1. Zeki Turbo Part #T4112-01 
    2. Borgwarner Part #177272
    3. Brian Wright at Wright’s Performance (540) 974-7852
  4. Drawbar – Will be 20 inches maximum height.
  5. Tires to be 20.8.38 max - Top Cut Tires will be allowed. No alterations to front edge of bar. – No dual wheels.
  6. No four wheel drive.
  7. Must run cast center or pressed steel rear-wheels. No Aluminum rear-wheels. 
  8. Must have wheelie bars.
  9. Pipe – Has to be straight up, 18 inches (minimum) above the hood.
  10. Must have an OEM factory chassis and wheelbase and front weight bracket in the factory position.
  11. Must have a steel flywheel or blanket or steel shield (6 inches wide, quarter inch thick)
  12. Cubic Inches – 478 cubic inch limit. Case can have 504 cubic inches and V8 Massey's are allowed at a 540 cubic inch maximum.
  13. No aftermarket intercoolers.
  14. No Nitrous.
  15. All vehicles running turbos must have exhaust bolts. In a cross pattern, 2-½” bolts or 4-3/8” Grade 8 bolts must be added as close to the exhaust housing as possible.
  16. A working air shut-off must be installed to connect to the sled.
  17. Water injection is allowed.
  18. $1500 purse to be paid back 10 places, same as other Dragon classes.