| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ALFA ROMEO | 4250801 | Direct Cross Interchange | 6 |
| METELLI | 012603 | Direct Cross Interchange | 6 |
| BGA | VG2231 | Direct Cross Interchange | 6 |
| AE | VAG96171 | Direct Cross Interchange | 4 |
| FRECCIA | G2231 | Direct Cross Interchange | 4 |
| LANCIA | 4250801 | Indirect Cross Interchange | 3 |
| FIAT | 4250801 | Indirect Cross Interchange | 3 |
| METELLI | 010173 | Indirect Cross Interchange | 1 |
| FRECCIA | 2231 | Indirect Cross Interchange | 1 |
| INNOCENTI | 4250801 | Indirect Cross Interchange | 1 |
| TRW | 110G01782 | Indirect Cross Interchange | 1 |