Modern Driveline Ford To Ford 3550/ TKO/ TKX Adapter Kit W/ Shaft
Highlights
- TKO/TKX Transmission Adapter
- 356 Aluminum Construction
- Includes Release Bearing
- Built for High HP Applications
Modern Driveline Ford To Ford 3550/TKO/TKX Transmission Adapter Kit with Round Clutch Fork Shaft.
Upgrade your classic drivetrain with this Ford to TKO/TKX Adapter Kit. Designed to mate early Ford Flathead engines to modern Tremec 3550, TKO, or TKX 5-speed transmissions, this kit allows you to combine vintage power with improved drivability and performance.
Precision CNC machined from heat-treated 356 aluminum, this adapter ensures proper alignment and durability under high-performance conditions. It includes a self-centering, continuous-duty release bearing and a round clutch fork shaft designed for early-style clutch linkage. Ideal for high-horsepower builds, this kit provides a reliable solution for modernizing your classic Ford or Mercury drivetrain.
Features and Benefits:
- Adapts Flathead Ford engines to Tremec 3550, TKO, and TKX transmissions
- Precision CNC-machined 356 heat-treated aluminum construction
- Maintains proper transmission-to-bellhousing alignment
- Includes self-centering, continuous-duty release bearing
- Round clutch fork shaft for early-style linkage
- Modern no-grease clutch fork pivot design
- Designed for high-performance and high-horsepower applications
Kit Includes:
- Clutch fork cross shaft
- Throw-out (release) bearing
- Transmission sizing ring (TKO/TKX)
Vehicle Fitment:
- 1932-1948 Flathead Ford Vehicle
- 1949-1953 Ford F-100 Truck
- 1949-1950 Mercury Car to Tremec Ford 3550/TKO/TKX
Please Note: Requires our MDL Flathead conversion clutches to be integrated for proper clutching. If you need the slotted/flat-end shaft, see MD-401-2109S-TKO. The adapter does not fit with a four-speed transmission as the input shaft is too short.
California Residents: Proposition 65 Warning
Related Categories: F-100 Transmission, F-100 Restomod Transmission
Installation Instructions
Vehicle Fitment
This product will fit the following F-100 years:
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,










