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Welcome to PATC – Performance Automotive Transmission Center
We Ship Worldwide!
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.
*Even though many supply chain issues have been resolved, some problems still remain.
We thank you for your support and patience!
Time Sensitive Project? Call us for Real Time stock quantities! 318-742-7353!
Showing 1–16 of 370 results
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Sonnax 10000-08, Torlon CheckBall
$ 10.00 Add to cart -
* 34477A, 4L80E Speed Sensor Reluctor Wheel, 1991-2009
$ 30.00 Add to cart -
TH400 4L80E Forward and Direct Clutch Featuring G3 High Performance Material Alto 031702B155
$ 13.00 Add to cart -
Sonnax 34913-01, 4L60E / 4L80E / 4L85E Shift Cable Mount Bracket
$ 39.00 Add to cart -
*4L80E Torque Converter. Full Size – Heavy Duty, Lock-Up Number L80-LU.
$ 499.00 Select options -
Sonnax 34006-SPB, 4L80E / 4L85E / TH400 Heavy Duty Case Bushing Kit
$ 58.00 Add to cart -
* 4L80E / TH400 intermediate A34652A sprag and a34555e drum, 34 Element Drum and Sprag Kit
$ 250.00 Add to cart -
Sonnax 34006-05, 4L80E / 4L85E / TH400 / TH425 Rear Unit Endplay Shim
$ 9.00 Add to cart -
* 10A-2. Output Shaft For 10-A Adapter Kit. Swap your 4L60E transmission to a stronger 4L80E transmission.
$ 349.00 Select options -
* B34024E, TH400 / 4L80E / 4L85E BorgWarner Low Reverse Band, 1965-2009.
$ 66.00 Add to cart -
Sonnax 34528-01K, 4L80E / 4L85E Reverse Servo Spacer Kit
$ 21.00 Add to cart -
N/A 10A. Adapter Kit. Swap your 4L60E transmission to a stronger 4L80E transmission. (Adapter + Output Shaft)
$ 650.00 Select options -
Cummins 4BT / 6BT to a Chevy 4L80E / 700R4 / 4L60E / TH400 Transmission Adapter. 2002 back Year Models.
$ 1265.00 Add to cart -
* TCS 228300B, 4L80E / TH400 Billet Steel Clutch Hub With Bearings.
$ 179.00 Add to cart -
* D34886E, TH400 / 4L80E Spiral Snap Ring, 1991-2009
$ 35.00 Add to cart -
T-TGM-HR, T9138 TOOL, 4L60E / 4L80E / ALLISON 1000, HARNESS REMOVAL TOOL
$ 29.00 Add to cart
Showing 1–16 of 370 results