Reference Details
- Availability
- optional
- Category
- performance
- Code
- M21
- Confidence
- documented
- Notes
- CRG lists M21 as one of the selectable transmissions, and the original Gibb fifty included 30 M21 cars.
Option reference
M21 Close-ratio four-speed transmission
performance · optional
Cars With This Option
1 linked car page.
1969 Chevrolet
1969 Chevrolet Camaro COPO 9560 ZL1
Chevrolet Central Office Production Order (COPO) 9560