| 1980 - 1981 | Buick | Regal | Base | RWD | 4.3L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1979 - 1980 | Buick | Regal | Base | RWD | 4.9L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978 - 1980, 1986 - 1987 | Buick | Regal | Base | RWD | 5.0L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1981 - 1983, 1985 | Buick | Regal | Base | RWD | 5.7L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1982 - 1983 | Buick | Regal | Base | RWD | 5.7L | Sedan | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1982 - 1983 | Buick | Regal | Estate Wagon | RWD | 5.7L | Wagon | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1980 - 1981 | Buick | Regal | Limited | RWD | 4.3L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1979 - 1980 | Buick | Regal | Limited | RWD | 4.9L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978 - 1980, 1986 - 1987 | Buick | Regal | Limited | RWD | 5.0L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1981 - 1983 | Buick | Regal | Limited | RWD | 5.7L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1982 - 1983 | Buick | Regal | Limited | RWD | 5.7L | Sedan | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1981 | Buick | Regal | Sport | RWD | 5.7L | Coupe | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1979 - 1982 | Chevrolet | El Camino | Base | RWD | 4.4L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978 - 1987 | Chevrolet | El Camino | Base | RWD | 5.0L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978 - 1979, 1983 - 1984 | Chevrolet | El Camino | Base | RWD | 5.7L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1981 - 1982 | Chevrolet | El Camino | Conquista | RWD | 4.4L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978, 1981 - 1986 | Chevrolet | El Camino | Conquista | RWD | 5.0L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1978, 1983 - 1984 | Chevrolet | El Camino | Conquista | RWD | 5.7L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1979 - 1981 | Chevrolet | El Camino | Royal Knight | RWD | 4.4L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
| 1979 - 1981 | Chevrolet | El Camino | Royal Knight | RWD | 5.0L | Standard Cab Pickup | Lowering Rate: F: 1" / R: 1" | 5: All applications are designed for small block V8 rwd only (exc. V6 Grand National) |
