Which Drum-Brake System for the Audi 90?
90 (81, 85, B2) 1984-1987 | ||||
| Drum outer diameter | Total drum height | Inner drum height | Number of holes | PCD |
| 240 mm | 81 mm | 49,8 mm | - | 100 mm |
| 261.7 mm | 80,5 mm | 51,6 mm | 4 | 108 mm |
| 262 mm | 80,5 mm | 51,5 mm | 4 | 108 mm |
| 262 mm | 61 mm | 51 mm | 4 | 108 mm |
