Flathead V8 to Ford C4 Auto Transmission Conversion Kit
Ford Flathead V8, C4
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Adapt your 1949-1953 Ford flathead V8 engine to a modern Ford C4 automatic transmission. This complete C4 transmission conversion kit is an excellent upgrade for early Ford drivetrains – the lightweight flexplate and torque converter does wonders for a flatheads throttle response and stop-and-go driving. This kit includes Speedways Street King Ford transmission completely remanufactured with heavy duty clutches, special shift kit, torque converter, engine adapter, special flexplate, modified 12-volt starter, hardware, and instructions.
- For Ford C4 transmission application
- Handles up to 450 HP
- 2200-2600 rpm stall torque converter
- Firm, crisp shifts from Kevlar bands and H.D. clutches
- Street/Strip Valve Body - everyday street driving and weekend trips to the drag strip
- Billet 6061 T6 Aluminum Pro Shift Servo - extends clutch and band life
- Improved Lubrication Circuits - reduced heat/prolonged life
- Chrome steel transmission pan
- Transmission has a one year warranty
Note: Must be used with open drive rearend (not included). Cooler, shifter, and chrome dress-up parts are sold separately. Fill tube and dipstick are included.Also, the 6 gear planet is NOT used in this transmission.
910-28906 Instructions (PDF)
for 1949-53 Ford Flathead V8
- 1949-1953 Ford 8BA and 8CM Mercury Flathead V8 engines without integral bellhousing
- 164-tooth flywheel included
- 2200-2600 stall converter included
- 12 volt negative ground starter included
All warranty issues should be addressed to:
Performance Automatic, Inc.
Attn. Harvey Baker
5119 Pegasus Court - Suite F
Frederick Maryland 21704
What's In The Kit
Speedway Ford C4 Street King TransmissionPart # 57426101Qty x 1
Flathead-C4, Adapt & HardwarePart # 91628901-1Qty x 1
Flexplate, Flathead Ford to C-4 Ford Transmission 164 ToothPart # 91628900-164Qty x 1
1949-1953 Ford Flathead C4/AOD Replacement Starter, 12VPart # 91067449Qty x 1
Ford 289-351W C4-AOD Transmission Block PlatePart # 91029012Qty x 1
Hardware kitPart # 91028906.1Qty x 1
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