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Welcome to PATC – Performance Automotive & Transmission Center
We offer many Performance and Heavy Duty Automatic Transmission Parts which may not be available elsewhere.
PATC Transmission Center is on the Cutting Edge of Performance Rear Wheel-Drive American Transmission Development.
We work with different manufacturers in the development of stronger parts.
Using these parts we have developed Performance / Heavy Duty Transmissions in many different levels and types.
All PATC performance torque converters are manufactured in-house.
We thank you for your continued support and patience!
Time Sensitive Project? Call us for Real Time stock quantities! 318-742-7353!
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Dodge / GM Ratio Adapter, Select Speed Up Rate
$ 149.00 Select options -
Dodge / GM Ratio Adapter, Select Slow Down Rate
$ 149.00 Select options -
54spk, Ratio Adapter Small Part Kit
$ 24.00 Add to cart -
Custom Ratio Adapter, Speed Up or Slow Down your Speedometer, Call 1-888-201-2066
$ 189.00 Select options -
#40, 90 Degree Speedometer Ratio Adapter, Direct or Continuous Rotation
$ 180.00 Add to cart -
* Ford speedometer ratio adapter, Number 55RA.
$ 174.00 Select options -
Ratio Adapter Drive Key Replacement, Number 7713
$ 8.00 Add to cart -
Electronic Ratio Adapter to adjust electronic speedometers, #ERA
$ 199.00 Read more -
#41, 90 Degree Speedometer Ratio Adapter, Reverse or Opposite Rotation
$ 180.00 Add to cart -
350E Kit, Convert your TH350 transmission to an Electronic Speedometer
$ 300.00 Read more -
FORD SPEEDOMETER 90 DEGREE RATIO ADAPTER, DIRECT or CONTINUOUS ROTATION NUMBER 43
$ 240.00 Select options -
* Speedometer 90 Degree Ratio Adapter Number 42B. Reduction Adapters
$ 180.00 Select options