General Motors option code
QBX
QBX: a General Motors factory option code reused for more than one part across 1975–1978 and 2 models — see the table for what it named each year, with installs and price where a source states them.
General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.
2 models · 4 model years · 5 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1975 | Pontiac Firebird and Trans Am | GR70-15 Steel Belted Radial (sales code 39B), Formula without Space Saver Spare Tire (684/N65) RPO/UPC | $40 | Unknown |
| 1975 | Pontiac Firebird and Trans Am | GR70-15 Steel Belted Radial (sales code 39B), Formula with Space Saver Spare Tire (684/N65) RPO/UPC | $32 | Unknown |
| 1976 | Chevrolet El Camino SS | GR70-15/B radial blackwall tires with sport suspension (V8) RPO | $49.05 | Unknown |
| 1976 | Pontiac Firebird and Trans Am | GR70-15 Blackwall Steel Belted Radial (sales code 40G) RPO/UPC | $34.44 | Unknown |
| 1977 | Chevrolet El Camino SS | GR70-15/B radial blackwall tires RPO | $16.80 | Unknown |
| 1977 | Pontiac Firebird and Trans Am | Rally RTS (Radial Tuned Suspension) Handling Package RPO/UPC | $70 | Unknown |
| 1978 | Pontiac Firebird and Trans Am | GR70-15 Black sidewall steel belted radials RPO/UPC | Unknown | 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.