Parnelli tires: UTQG grades
Rated lines5
Median treadwear260
Highest treadwear320
Every Parnelli tire line in NHTSA's Uniform Tire Quality Grading data, sorted by highest treadwear grade.
| Tire line | Treadwear | Traction | Temp. | Entries |
|---|---|---|---|---|
| TWISTER II | 320 | A | C | 1 |
| TRAC II | 300 | A | B | 1 |
| RADIALMAX | 260 | B | B | 2 |
| PERFORMANCE A/S | 250 | B | C | 1 |
| TRAC A/P | 250 | B | C | 1 |