| Yr | Cyl | Desc | UNIV | DF | PK |
|---|---|---|---|---|---|
| 1981 | 8 | All models | 6005 | 4111 | PK-85 |
| 1981 | 6 | All models | 6005 | 4111 | PK-85 |
| 1980 | 8 | All models with 5.7L-R engine | 6005 | N/A | PK-83 |
| 1980 | 8 | All models with 4.9L or 5.7L-X engine | 6006 | N/A | PK-81 |
| 1980 | 6 | All models with 3.8L engine | 6906 | 4104 | PK-81 |
| 1977-1979 | 8 | All models with 400 cid | 8006 | 9104 | PK-81 |
| 1977-1979 | 8 | All models, except 400 cid | 6906 | 4104 | PK-81 |
| 1977-1979 | 6 | All models with 231 cid | 6906 | N/A | PK-81 |
| 1975-1976 | 8 | All models with 400 cid or 455 cid | 8006 | 9103 | PK-79 |
| 1975-1976 | 8 | All models with 350 cid | 6906 | 4103 | PK-79 |