General Motors option code
L89 — Aluminum cylinder heads
L89 (Aluminum cylinder heads): a General Motors factory option code recorded on 1 model across 1969–1970, with installs and price where a source states them.
1 model · 2 model years · 2 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1969 | Chevrolet Chevelle and Malibu SS | Aluminum cylinder heads RPO | $647.75 | 400 Reported |
| 1970 | Chevrolet Chevelle and Malibu SS | Aluminum cylinder heads RPO | $394.95 | 18 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.