Reference Details
- Availability
- optional
- Category
- performance
- Code
- Close ratio
- Confidence
- documented
- Notes
- Factory literature limits this gearset to qualifying engines, including the 421, when equipped with the 4.11 axle.
Option reference
Close ratio Close-ratio four-speed with 4.11 axle
performance · optional
Cars With This Option
1 linked car page.
1965 Pontiac
1965 Pontiac Catalina 2+2 421
W51 2+2 Sports Option