Offenhauser 5174 GM Manual Trans to Flathead V8 Adapter, GM Clutch
Ford Flathead V8, Many Transmissions
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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
More Like This
Speedway GM Manual Trans to Flathead V8 Adapter - GM Clutch
Offenhauser 5272 GM Manual Trans to Flathead V8 Adapter, Ford Clutch
Offenhauser Standard Chevy Trans to Flathead Adapter Kit
Offenhauser Chevy T-5 Transmission to Flathead Adapter Kit
Speedway GM Manual Trans to Flathead V8 Adapter, Ford Clutch
Speedway Standard Chevy Trans to Flathead Adapter Kit
Speedway Chevy T-5 Transmission to Flathead Adapter Kit
Chevy Engine to Early Ford Transmission Adapter Kit
Flathead V8 to Ford C4 Transmission Basic Adapter Kit
Offenhauser 5204 49-64 Ford Trans to GM Bellhousing Adapter
Q & A
Finally, Project Chevelle gets a real hot rod engine under its hood! And what about that flimsy old column shift three-speed? We've got that covered too.
Follow Tim as he swaps tail housings and covers on a T-5 transmission
Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.
Learn how to install our new Muscle Car Shifters from Lokar.
Tech write-up and a video of a Lokar shifter install on an automatic transmission.
Eagle Motorsports, Inc. put together a how-to video on installing their Stallard SST Shifter Assembly.
We finally get to drive Project Chevelle after the big engine swap, and it's pretty awesome. Rowing through the gears with our new Tremec 5-speed isn't bad either!