Tuner Category Tires - Full Rules
1. Tires must meet the eligibility and use requirements of the Sport Category, but do not have to meet Sport Category width limits.
2. Tuner Tire Width Limits
Tires shall have a section width up to and including the following (mm):
|
CLASS |
DRIVE |
WIDTH LIMIT (In MM) |
|
Tuner 1 (T1) |
2-Wheel Drive |
355 |
|
|
All-Wheel-Drive |
335 |
|
Tuner 2 (T2) |
2-Wheel Drive |
315 |
|
|
All-Wheel Drive |
305 |
|
Tuner 3 (T3) |
2-Wheel Drive |
285 |
|
|
All-Wheel Drive |
265 |
|
Tuner 4 (T4) |
2-Wheel Drive |
265 |
|
|
All-Wheel Drive |
245 |
|
Tuner 5 (T5) |
2-Wheel Drive |
245 |
|
|
All-Wheel Drive |
225 |
3. Cars in Tuner Classes 2–5 and are otherwise legal for Tuner Category may bump up classes based on tire size. Cars in Tuner 1 with oversized tires will go into their appropriate Prepped or Max Category class.