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All DNQ

Hoosier Tire Rule Book

2026 DNQ Rule Book

Hoosier Tire Rules / Body Rules / Ballast Rules

Tire Rules

  • The DNQ Series utilizes treaded Hoosier tires.
  • These tires must be free of foreign substances and are subject to lab testing.

Approved Tires

  • Left Side: Hoosier treaded 11 x 5.5 x 6, D30 compound
  • Right Side: Hoosier treaded 12 x 9 x 6, D50 compound
  • All tire numbers must be present.
  • Dash Series runs D30 size on all 4 corners.

Cutting & Grooving

  • Tires may be grooved, siped, ground, and cut.
  • Minimum tread depth: 1/16"
  • Stock grooves must be present.
  • Measuring off the wheel at 2 1/4", there must be 1/16" of tread depth.
  • Sidewall or edge-of-tire shaping or grinding is not prohibited.

Penalties & Fines

  • All drivers that enter a DNQ race are subject to tire lab testing.
  • Samples may be taken at any time.
  • Blue Ridge Labs will analyze all samples, and their decision is final and cannot be protested.
  • The serial number on the sample bags must match the paperwork serial number or the test will be voided.
  • If a tire is suspected of containing a foreign substance (for example smells/altered), an immediate fine and suspension will be issued.
  • The use of hot boxes and heat blankets is not allowed.

Fines & Suspensions

1st Offense

  • $400 fine
  • $100 covers sample testing
  • $300 is added to the next race’s purse
  • 190 point penalty (points cannot be dropped)
  • 1 race suspension that cannot be dropped in other classes
  • DQ from all events participated in on the night of the infraction

2nd Offense

  • $800 fine
  • 500 point penalty
  • Suspension for the next 5 races

3rd Offense

  • $1,000 fine
  • Indefinite suspension

Tire Claiming Process

  • Teams may claim tires and wheels from competitors in the same race.
  • Claim pricing:
  • 1 right-side tire and wheel = $165
  • 1 left-side tire and wheel = $150
  • A minimum of 1 and maximum of 2 tires and wheels may be claimed.
  • A team may claim tires and wheels once per calendar year.
  • Teams may be claimed once per calendar year.
  • The series may deny a claim.

Sampling & Risk

  • The buyer assumes the risk of any future tire sample failure.
  • If the tire is being sampled after a race, the series will place a hold on the money until the sample clears testing.

Pit Stop Races

  • If pit stops are required, a 3-lug nut hub must be used.
  • The wheel must mount to the 3-lug nut hub.

Body Rules

General Modifications

  • Body panels may be modified.
  • All modified panels must remain at or below the height of the driver’s shoulders while seated in the kart.
  • All modified panels must be securely fastened to the body.

Prohibited Designs

  • Wedge bodies are not allowed.
  • Wickers or sharp edges on bodywork are not allowed.

Mounting Requirements

  • All panels must be flush mounted to a bar.
  • Metal panels must be fastened using rivets, bolts, or wire.
  • Lexan panels may be secured with zip ties.

USACK-Specific Rules

  • USACK karts may fill in as much body area as desired.
  • Any right-side panels extending above the driver’s shoulders must be made of lexan or a clear plastic material.

Body Fillers

  • All body fillers must be riveted or securely fastened to the body.

Nose Cone Removal

  • Teams may remove the nose cone due to damage or rough track conditions.
  • If the nose cone is removed, a protective floorboard must be attached under the pedals.
  • Karts without a protective floorboard will not be allowed to race.
  • Drivers are responsible for their own safety both before and after damage is encountered.

Ballast

Painting Requirement

  • All lead or ballast must be painted white for visibility and safety.

Penalties for Loose Ballast

  • If any ballast comes off your kart and video evidence confirms it, you will be fined $20 per piece.

Lead Vests

  • Lead vests are illegal, unless explicitly granted by the series.