| 6 Cylinder | Chevrolet | Caprice | Rear | Rear | Rear |
| Year | Disp | Notes | Reg | HD | Cargo coil |
| 1968 | All | Station Wagon | CC607 | ||
| 1969 | All | Station Wagon Heavy Duty | CC607 | ||
| 1970 | All | Station Wagon | CC607 | ||
| 1972 | All | All | 6363 | 5549 | CC611 |
| 1976 | All | Station Wagon | 5455 | 5549 | |
| 1976 | All | 4 door | 5455 | 5549 | CC613 |
| 1976 | All | 2 door | 5543 | 5383 | CC613 |
| 1977 | All | Classic 2 door | 5245 | cc621 | |
| 1978 | All | Classic 4 door | 5245 | cc621 | |
| 1978 | All | Classic 2 door | 5245 | cc621 | |
| 1979 | All | Classic 4 door | 5245 | cc621 | |
| 1979 | All | Classic 2 door | 5245 | cc621 | |
| 1980 | All | All excluding Station Wagon | 5557 | cc621 | |
| 1981 | All | Classic | 5557 | cc621 | |
| 1983 | All | Classic | 5417 | cc621 | |
| 1984 | All | Classic 4 door | 5245 | 5417 | cc621 |
| 1984 | All | Classic 2 door | cc621 | ||
| 1985 | 4.3 | Classic, 4 door 4 Speed automatic overdrive | 5245 | 5419 | cc621 |
| 1985 | 4.3 | Classic 4 door 3 spd Automatic | 5245 | 5419 | cc621 |
| 1985 | 4.3 | Classic, 2 door 3 speed automatic & 4 Speed automatic overdrive | 5245 | 5419 | cc621 |
| 1986 | 4.3 | All | 5245 | cc621 | |
| 1987 | 4.3 | All | 5245 | cc621 | |
| 1988 | 4.3 | All | 5245 | cc621 |