General Motors option code
NB2
NB2: a General Motors factory option code reused for more than one part across 1987–1988 and 1 model — 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.
1 model · 2 model years · 2 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1987 | Pontiac Firebird and Trans Am | California emission requirement RPO | Unknown | 1,827 Reported |
| 1988 | Pontiac Firebird and Trans Am | California emissions (GTA) RPO | Unknown | 254 Reported |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.