The Advance Adapters 50-3901 is an adapter kit that mates a Ford 6R80 transmission to a Dana 20 transfer case. It is designed for 1966 to 1977 Ford Bronco applications, allowing a 6R80 transmission swap while retaining the Dana 20 transfer case.
Specifications
- Type: Transmission to transfer case adapter kit
- Transmission: Ford 6R80
- Transfer case: Dana 20
- Application: 1966 to 1977 Ford Bronco
- Sold as: Kit
- Part Number: 50-3901
Vehicle Applications
- 1966 Ford Bronco
- 1967 Ford Bronco
- 1968 Ford Bronco
- 1969 Ford Bronco
- 1970 Ford Bronco
- 1971 Ford Bronco
- 1972 Ford Bronco
- 1973 Ford Bronco
- 1974 Ford Bronco
- 1975 Ford Bronco
- 1976 Ford Bronco
- 1977 Ford Bronco
FAQ
What does this adapter do?
It mates a Ford 6R80 transmission to a Dana 20 transfer case.
What vehicle is it for?
It is designed for the 1966 to 1977 Ford Bronco.
Is it a complete kit?
Yes, it is supplied as a kit.

