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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.
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 patience and support!
Time Sensitive Project? Call us for Real Time stock quantities! 318-742-7353!
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Dodge / GM Ratio Adapter, Select the Speed Up Rate you need!
$ 149.00 Select options -
TH350 Speedometer Driven Gear (17, 18, 19, 20, 21, 22, and 23 tooth driven gears)
$ 14.00 Select options -
TH350 / 700R4 5/16 Inch Speedometer Drive Gear Clip
$ 4.00 Add to cart -
700R4 / BOP 350 Speedometer Gear Housing for 40 to 45 tooth Driven Gear
$ 49.00 Add to cart -
Dodge / GM Ratio Adapter, Select the Slow Down Rate you need!
$ 149.00 Select options -
4L60E / 700R4 / BOP TH350 / TH400 Speedometer Gear Housing Retainer (Y style)
$ 7.00 Add to cart -
TH350 Speedometer Drive Gear, 68X-Drive
$ 14.00 Select options -
2004R / 700R4 / BOP TH350 / TH400 Speedometer Gear Housing Inner Seal
$ 1.60 Add to cart -
54spk, Ratio Adapter Small Part Kit
$ 24.00 Add to cart -
700R4 Speedometer Housing Outer O-ring also fits Olds TH350
$ 1.60 Add to cart -
TH350 Speedometer Gear Housing comes with both seals
$ 14.00 Add to cart -
Speedometer Crimp-on Square Drive Cable End, Number 105 (one piece)
$ 9.00 Select options