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Founder, 1929-2014
Speedy Bill
Since 1952
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Flathead V8 to Ford AOD Transmission Conversion Kit

SAME DAY SHIPPING! Order within the next 12 hours 55 minutes and receive same day shipping

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.



Q & A

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 Speedway's 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. 


  • 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 

Item Details

for 1949-53 Ford Flathead V8

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