General Motors option code
M13
M13: a General Motors factory option code reused for more than one part across 1966–1973 and 4 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.
4 models · 6 model years · 5 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1966 | Chevrolet Chevelle and Malibu SS | Special 3-speed, fully synchronized RPO | Unknown | 201 Reported |
| 1967 | Chevrolet Chevelle and Malibu SS | Special 3-speed, fully synchronized RPO | $79 | 2,755 Reported |
| 1968 | Chevrolet Chevelle and Malibu SS | Special 3-speed, fully synchronized RPO | $79 | 4,027 Reported |
| 1968 | Chevrolet Chevy II and Nova | Special 3-speed RPO | $79 | Unknown |
| 1970 | Pontiac Firebird and Trans Am | Heavy Duty 3 Speed Manual Transmission with Floor Shift (sales code 355) RPO/UPC | $84.26 | Unknown |
| 1971 | Pontiac Firebird and Trans Am | Heavy Duty 3 Speed Manual Transmission with Floor Shift (sales code 35C) RPO/UPC | $84.26 | Unknown |
| 1973 | Pontiac Tempest and LeMans | Heavy-duty 3-speed manual, floor shift RPO | $82 | 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.