The rules are as follows:

Open Speed



1961 and older

18.4x38, Any cut, Bias Only

Front weight bracket length 11ft maximum from centerline of rear axle

Side shields required

Working kill switch required

Seats must have a seat back with a minimum height of 8 inches

Fenders required

Max 20 inch hitch height, minimum 18 inch hitch length from center line of rear axle

Gas or Diesel only

No turbos, superchargers, or nitrous allowed

Single updraft carburetor only

Narrow or wide fronts allowed. Must have provision to tow tractor from trailer, to pits, and to edge of track.

The application to apply for this invitation-only event is at


Download and follow instructions on the form, return it by 12/9/19. Entry fee is $185 through 12/9/19. Total class payback is minimum of $2000. Any application questions can be directed to Klint Tucker at

5150 Heritage Pro Stock

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