| Yr | Cyl | Desc | UNIV | DF | PK |
|---|---|---|---|---|---|
| 1984 | 8 | All models with 307 cid | 6005 | 4119 | PK-24 |
| 1981-1983 | 8 | All models with 307 cid | 6005 | 4111 | PK-85 |
| 1981-1983 | 6 | Alll models with 252 cid | 6005 | 4111 | PK-85 |
| 1980 | 8 | All models with 5.0L or 5.7L engine | 6905 | N/A | PK-83 |
| 1977-1979 | 8 | All models with 5.7L engine | 6906 | 4104 | PK-81 |
| 1975-1976 | 8 | All models with 400 cid or 455 cid | 8006 | 9103 | PK-79 |
| 1975-1976 | 8 | All models with 5.7L engine | 6906 | 4103 | PK-79 |