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Flathead V8 to Ford AOD Transmission Conversion Kit

Flathead V8 to Ford AOD Transmission Conversion Kit

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Please note the following about this product:

  • This item is sold as a kit.


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What's in the Box


Adapt your 1949-1953 Ford Flathead V8 engine to a modern Ford AOD automatic overdrive transmission so you can keep those stump-pulling low rear end gears, while still maintaining engine life and gas mileage. Plus, the lightweight flexplate and torque converter do wonders for throttle response and stop-and-go driving!

This kit includes Speedways Street King AOD Ford transmission compltely remanufactured with heavy duty clutches, special shift kit, torque converter, engine adapter, special flexplate, modified 12-volt starter, hardware and instructions.

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, dipstick and kickdown cable are included. 

Item Details

for 1949-53 Ford Flathead V8


  • 1949-1953 Ford 8BA and 8CM Mercury Flathead V8 engines without integral bellhousing


Speedway Street King AOD transmission features:

  • Handles up to 450 HP
  • 2200-2400 rpm stall torque converter
  • Firm, crisp shifts from Kevlar bands & H.D. clutches
  • Extra wide overdrive band & extra 3-4 clutches to cushion downshifts
  • Street/Strip Valve Body - everyday street driving and weekend trips to the drag strip
  • Improved Lubrication Circuits - reduced heat/prolonged life
  • Chrome steel transmission pan
  • Includes TV pressure cable, dipstic, & fill tube


All warranty issues should be addressed to:

Performance Automatic, Inc.
Attn. Harvey Baker
8174 Beechcraft Ave.
Gaithersburg, MD 20879
P 301-963-8078
F 301-963-5076 

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