Ozark Raceway Park
Where the Earth Shakes, Rattles and Rolls
8529 State Hwy U, Rogersville, Missouri

Mickey Thompson Tires and Wheels

True 10.5 Rules

Updated 1/8/15

No Rule Changes for 2015 Season

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.


  • Any automotive engine is permitted.
  • Exhaust: Mufflers required on all combinations except turbos. Exhaust exiting ahead of front tires allowed, but must not affect timing or staging beams. No Zoomies.
  • Induction: Any induction setup is permitted. Any power adder is allowed.
  • Power Adders: Unlimited.
  • Engine diaper or NHRA accepted belly pan for oil containment required.

Fuel & Fuel Systems:

  • Any type of gasoline or alcohol is permitted. (No Nitro methane)

Frame & Suspension:

  • Cars must maintain the factory firewall in stock location.
  • Must maintain stock front frame rails for full frame vehicles.
  • Cars are allowed to back-half the rear frame section of the car, and chassis bracing and
    reinforcing is permitted.
  • Coil over and ladder bars cars allowed, aftermarket 4 link and OEM 4 links also
  • Front frame rails must be in original OEM location.
  • Front suspension components may be replaced with after-market bolt-on parts.
  • Any bolt on K-Member or sub-frame allowed with original suspension mounting points.
  • Rack and pinion allowed on any car.


  • All cars must run a true 10.5” or smaller slick. They must be labeled from manufacture
    on sidewall, and may be measured.
  • 315/65R15 or smaller Drag Radial is acceptable also.


  • Cars must have WORKING headlights and tail lights.
  • Fiberglass hoods, fenders, bumpers, doors and deck lids will be the only fiberglass body parts allowed.
  • Lexan windows allowed, must maintain factory appearance.
  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.