| 1977 | 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" |
| 1977 | 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" |
| 1975 - 1977 | 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" |
| 1975 - 1977 | 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" |
| 1977 | Buick | Regal | SR | RWD | 5.0L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1976 - 1977 | Buick | Regal | SR | RWD | 5.7L | Coupe | 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National); Lowering Rate: F: 0.0" |
| 1976 | Buick | Skylark | Base | RWD | 4.3L | Coupe | Lowering Rate: F: 0.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
| 1976 | Buick | Skylark | Base | RWD | 4.3L | Hatchback | Lowering Rate: F: 0.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
| 1976 | Buick | Skylark | Base | RWD | 4.3L | Sedan | Lowering Rate: F: 0.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |
| 1977 | Buick | Skylark | Base | RWD | 4.9L | Coupe | Lowering Rate: F: 0.0"; 5: All applications are designed for small block V8 RWD only (excludes V6 Grand National) |