1. Age limit: 10-16 years of age in this calendar year, 2023.
  2. 600cc max; Stock Bore and Stroke
  3. No porting or polishing of head
  4. Full transmission must be in place and operable
  5. Full charging system must be in place and working
  6. No alteration of timing gear will be allowed
  7. Three quarter (3/4) restrictor. Restrictor must fit tightly in boot. Manifold Plate is Acceptable
  8. No in car adjustments
  9. All shock adjuster knobs must be mounted OUTSIDE of the cockpit if adjustable shocks are used. Panhard bar adjuster must be tied off and wing sliders must be disconnected completely or not present.
  10. Top wing is not to exceed a 10 sq. foot center section, 24” x48” left sideboard, and 18” x 48” right sideboard. Nose wing is not to exceed 18” x 24”.
  11. Weight: minimum car and driver weight 725 lbs.
  12. NO CHEMICAL PREP allowed or tolerated. Samples must conform to factory benchmark as performed and tested by Blue Ridge Race Labs. All non conforming samples will result in a 2 race suspension and loss of points and pay from that night.


  2. During bore and stroke check, all plugs must be removed and motor must be turned over via the timing port. NO BUMPING OF CAR WILL BE ALLOWED. Refusal to adhere to our tech procedures will result in automatic disqualification and constitute as refusal of tech.
  3. All 600 cars will have either a fuel bladder or RCI fuel cell
  4. Hoosier and American Racer tires may be used.  Tires of any compound will be allowed. Sportsman must use compounds listed in class rules above for right rear only.
  5. All cars must have a metal firewall between the Driver and the engine compartment.  Minimum of 24 gauge or .0625 thickness aluminum.
  6. Chain guards will be installed on all cars using a minimum of .090 aluminum material or equivalent.
  7. On and off switches must be on the dash.
  8. Roll cages shall be a least 1 1/8 inch, .065 wall thickness or 1 ¼ inch .065 wall thickness.
  9. Roll cages must have sufficient fore and aft bracing.
  10. All cages shall be made of chromoly steel or equivalent.
  11. All cars must be equipped with nerf bars which may not extend beyond the rear tire.
  12. Cars must have floor pans extending from the driver’s feet to the front of the seat.
  13. All wet cell batteries mounted in the cockpit area must be covered and vented outside the cockpit area.
  14. All cars will have top wings at least 10 square feet, and a maximum of 16 square feet.
  15. The following safety items are required: Name brand flame retardant uniform, five point racing style harness, racing system, shoes, arm restraints, flame retardant gloves, and neck brace or helmet restraint. Seat belt must be no older than 3 years old. 
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