General Motors option code
NA9
NA9: a General Motors factory option code reused for more than one part across 1970 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 · 1 model year · 2 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1970 | Chevrolet Chevelle and Malibu SS | Evaporative Emission Control RPO | $36.90 | 66,214 Reported |
| 1970 | Pontiac Firebird and Trans Am | Evaporative Emissions Control (sales code 711) RPO/UPC | $36.86 | 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.