Chevy Specrtrum
| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1985 | Double Sided | X143 / B53 | Chipless | || | || |
| 1986 | Double Sided | X143 / B53 | Chipless | || | || |
| 1987 | Double Sided | X143 / B53 | Chipless | || | || |
| 1988 | Double Sided | X143 / B53 | Chipless | || | || |
| 1989 | Double Sided | X143 / B53 | Chipless | || | || |