| 1980 - 1981 | Buick | Regal | Base | RWD | 4.3L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1981 - 1982 | Buick | Regal | Base | RWD | 4.4L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1982 | Buick | Regal | Base | RWD | 4.4L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1979 - 1980 | Buick | Regal | Base | RWD | 4.9L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1978 - 1980, 1983 - 1987 | Buick | Regal | Base | RWD | 5.0L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1983 - 1984 | Buick | Regal | Base | RWD | 5.0L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1981 - 1983, 1985 | Buick | Regal | Base | RWD | 5.7L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1982 - 1983 | Buick | Regal | Base | RWD | 5.7L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
