General Motors option code
JM8 — Brakes, Four-wheel Disc
JM8 (Brakes, Four-wheel Disc): a General Motors factory option code recorded on 1 model across 1977–1985, with installs and price where a source states them.
1 model · 7 model years · 7 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1977 | Buick Riviera | Four Wheel Disc Brakes order code (Buick option code) | $186 | Unknown |
| 1980 | Buick Riviera | Brakes, Four-wheel Disc order code (Buick option code) | $222 | Unknown |
| 1981 | Buick Riviera | Four Wheel Disc Brakes order code (Buick option code) | $215 | Unknown |
| 1982 | Buick Riviera | Brakes, Four-wheel Disc order code (Buick option code) | $235 | Unknown |
| 1983 | Buick Riviera | Brakes, Four-wheel Disc order code (Buick option code) | $235 | Unknown |
| 1984 | Buick Riviera | Brakes, Four-wheel Disc order code (Buick option code) | $235 | Unknown |
| 1985 | Buick Riviera | Brakes, Four-wheel Disc order code (Buick option code) | $235 | Unknown |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.