| Year/Make/Model | Bolt Patterns |
| 1978 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1979 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1980 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1981 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1982 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1983 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1984 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1985 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1986 Chevrolet C20 | 6x139.7mm (6x5.5") |
| 1987 Chevrolet C20 | 6x139.7mm (6x5.5") |
