| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 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: R: 1.0" |
| 1980 - 1981 | Buick | Regal | Limited | RWD | 4.3L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1981 - 1982 | Buick | Regal | Limited | RWD | 4.4L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1982 | Buick | Regal | Limited | RWD | 4.4L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1979 - 1980 | Buick | Regal | Limited | RWD | 4.9L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1978 - 1980, 1983, 1985 - 1987 | Buick | Regal | Limited | RWD | 5.0L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1983 | Buick | Regal | Limited | RWD | 5.0L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1981 - 1983 | Buick | Regal | Limited | RWD | 5.7L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1982 - 1983 | Buick | Regal | Limited | RWD | 5.7L | Sedan | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1981 | Buick | Regal | Sport | RWD | 5.7L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: R: 1.0" |
| 1972 | Buick | Skylark | 350 | RWD | 5.7L | Coupe | Lowering Rate: R: 1.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
| 1970 | Buick | Skylark | 350 | RWD | 5.7L | Hardtop | Lowering Rate: R: 1.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
| 1970, 1972 | Buick | Skylark | 350 | RWD | 5.7L | Sedan | Lowering Rate: R: 1.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
