General Motors option code
M22
M22: a General Motors factory option code reused for more than one part across 1966–1972 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 · 7 model years · 9 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1966 | Chevrolet Chevelle and Malibu SS | 4-speed close ratio (M22) RPO | Unknown | 12 Reported |
| 1967 | Chevrolet Chevelle and Malibu SS | 4-speed close-ratio transmission - none reported. RPO | Unknown | Unknown |
| 1968 | Chevrolet Chevelle and Malibu SS | 4-speed close ratio, SS 396 only RPO | $237 | 1,049 Reported |
| 1968 | Chevrolet Chevy II and Nova | Heavy-duty 4-speed close-ratio RPO | $310.70 | Unknown |
| 1969 | Chevrolet Chevelle and Malibu SS | Heavy-duty 4-speed RPO | $264 | 1,276 Reported |
| 1970 | Chevrolet Chevelle and Malibu SS | 4-Speed Transmission - Heavy Duty / Atlanta - February (#1206xx, 1310xx) RPO | $221.80 | 5,410 Reported |
| 1971 | Chevrolet Chevelle and Malibu SS | Heavy-duty close-ratio 4-speed (LS5 only) RPO | $237.60 | 3,035 Reported |
| 1971 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Transmission, 4-speed floor-shift close-ratio heavy-duty, Hurst shifter RPO | $237.60 | Unknown |
| 1971 | Pontiac Firebird and Trans Am | Close Ratio 4 Speed Manual Transmission (sales code 35G) RPO/UPC | $237.65 | Unknown |
| 1972 | Chevrolet Chevelle and Malibu SS | Heavy-duty close-ratio 4-speed (LS5 only) RPO | $243.95 | 1,513 Reported |
| 1972 | Pontiac Firebird and Trans Am | Heavy Duty 4 Speed Manual Transmission (sales code 35G) RPO/UPC | $231 | 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.