1. 6200 lb. weight class.

2. Truck must have stock frame. Suspension blocks and traction bars will be allowed.

3. Truck body may be different than the frame if approved by the board. Truck frame shall designate make and model of truck. (133 inch wheelbase maximum.) Must have full size body.

4. Truck must have OEM production drive train. Dana 70 or smaller front and any rear 106 Rockwell or equal in size. No planetary rear.
No drop boxes or reversers. Cut gears allowed in OEM cases.

5. Hydraulic steering allowed.

6. Rear of block can be no more forward than 12inches from center of front axle tube.
Cowled hood only, no scoops allowed, 4" maximum height and open to the rear allowed.

7. Truck must have all body components: fenders, hood, front doors. Flatbeds allowed, tilt front ends allowed, no fiberglass bodies allowed, no tilt bodies allowed.

8. Maximum 35x12.5 inches DOT stamped, no cutting or grooving, no bars, no dual wheels, no chains, one half offset allowed. Wrangler XT terra tires allowed.

9. Engine must be naturally aspirated. Any single four-barrel carb allowed with any aluminum intake manifold. 470 cubic inch or 58.75 per cylinder. GASOLINE ONLY. CAST IRON HEADS, BLOCK.
No sheet metal intakes.

10. Open exhaust is allowed and must exit down and back, upright headers allowed.

11. Weight may be added to the front of the truck, weight or frame may not extend more than 60 inches from the centerline of the axle.

12. No cutting of cabs. If bed is gutted, must be covered. Must have inner fender wells or engine side shields (.060 inch thick minimum).

13. Brakes must slide all four wheels. Driveline brake allowed.

14. Draw bar height is 26 inches for four-wheel drive and must be rigid in all directions.

15. Drawbar length is a minimum of 36% of the WB. Must not exceed more than 12 inches from body.

16. Front gas tank allowed, but no more than 60 inches from the center of the front axle.

17. All safety requirements same as 4WD and 2WD Pro Stock class.

18. After you cross the scales, no weights are to be removed or fuel added.

19. All general rules apply. No rule changes until fall of 2007.