Offenhauser 5174 GM Manual Trans to Flathead V8 Adapter, GM Clutch
Ford Flathead V8, Many Transmissions
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Now you can easily mount a modern, fully synchronized GM manual transmission to your early Ford or Mercury Flathead V8 engine! This is a great way to get better driveability and improved performance from your 1932-48 Ford or 1939-50 Mercury Flathead.
This aluminum adapter permits the use of most GM-style 3-, 4- or 5-speed Muncie, Borg Warner, Saginaw and T-5 manual transmissions behind your Flathead V8s. Adapter is used in conjunction with Flathead flywheel and a GM-style clutch fork and bearing (or Speedway bearing and arm kit 916-29510).
- Mounts common Muncie, Borg Warner, Saginaw and T-5 GM style manual transmissions
- For use with GM-style clutch fork and bearing (our part #9162915)
- Recommended for use with Borg & Beck or diaphragm-style pressure plate
- Use with original flathead flywheel (re-drilling of the pressure plate bolt pattern may be required)
560-5174 Instructions (PDF)
Learn more about using T5 transmissions with these adapter plates by reading our tech article. Adapting a T5 to a Ford Flathead V8.
Item DetailsUses Borg & Beck or Diaphragm-style clutch
- 1932-1948 Ford Flathead V8s
- 1939-1950 Mercury V8s
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