TCI Automotive Transmissions, Torque Converters & Parts

TCI Auto believes that performance is defined by results—both on the track and on the street. That’s why every TCI transmission and drivetrain component is designed,...

TCI Auto believes that performance is defined by results—both on the track and on the street. That’s why every TCI transmission and drivetrain component is designed, built, and tested by hardcore racers and street performance enthusiasts. We carry the complete line of TCI street performance, drag race, circle track, RV, and truck automatic transmissions, so you’re sure to find one that’s right for you. Plus, we have TCI torque converters, valve bodies, flywheels, flexplates, trans-brakes, harmonic dampers, transmission fluid, accessories, and a lot more. You can rely on TCI Auto products to deliver the most horsepower...

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TCI TH700-R4 Kickdown Kits 374400

TCI TH700-R4 Kickdown Kits 374400

Kickdown Kit, Aluminum, Natural, GM, Automatic, 700R4, 4L60, Kit

Part Number: TCI-374400

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Trans-Scat Valve Body Kits 376000

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, GMC, Oldsmobile, Pontiac, 700R4, Each

Part Number: TCI-376000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 378900

Automatic Transmission Rebuild Kit, Pro Super, GM, 700R4, Kit

Part Number: TCI-378900

3.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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TCI Maximizer Rebuild Kits 378805

Automatic Transmission Rebuild Kit, Maximizer, GM, 1982-84 GM TH-700R4, Kit

Part Number: TCI-378805

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Maximizer Rebuild Kits 378905

Automatic Transmission Rebuild Kit, Maximizer, GM, 1985-1993 GM TH-700R4, Kit

Part Number: TCI-378905

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Governor Recalibration Kits 326500

Governor Recalibration Kit, GM, TH350, TH400, 700R4, Kit

Part Number: TCI-326500

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 448900

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, C-6, Kit

Part Number: TCI-448900

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 378951

Automatic Transmission Rebuild Kit, Pro Super, GM, 4L60E, Kit

Part Number: TCI-378951

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 228800

Automatic Transmission Rebuild Kit, Pro Super, GM, TH400, Kit

Part Number: TCI-228800

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 448800

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, C-6, Kit

Part Number: TCI-448800

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 128800

Automatic Transmission Rebuild Kit, Pro Super, Mopar, Torqueflite 727, Kit

Part Number: TCI-128800

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 328800

Automatic Transmission Rebuild Kit, Pro Super, GM, TH350, Kit

Part Number: TCI-328800

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 128900

Automatic Transmission Rebuild Kit, Pro Super, Torqueflite 727, Torque Command 727, Kit

Part Number: TCI-128900

2.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 386800

Automatic Transmission Rebuild Kit, Pro Super, GM, 200-4R, Kit

Part Number: TCI-386800

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 528900

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, C-4, Kit

Part Number: TCI-528900

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 378950

Automatic Transmission Rebuild Kit, Pro Super, Chevy, Pontiac, 4L60E, Kit

Part Number: TCI-378950

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ 30-Spline 4L60E, 4L65E, 4L70E Transmission Rebuild Kit SUM-705066

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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TCI Pro Super Transmission Overhaul Kits 438905

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, AOD, Kit

Part Number: TCI-438905

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Pro Super Transmission Overhaul Kits 278800

Automatic Transmission Rebuild Kit, Pro Super, Chevy, GMC, 4L80E, Kit

Part Number: TCI-278800

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Pro Super Transmission Overhaul Kits 128910

Automatic Transmission Rebuild Kit, Pro Super, Lockup, Chrysler, A-518, A-618, Kit

Part Number: TCI-128910

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 129000

Automatic Transmission Rebuild Kit, Pro Super, AMC, Chrysler, Torqueflite A-904, Torque Command 904, Kit

Part Number: TCI-129000

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

TCI Pro Super Transmission Overhaul Kits 528800

Automatic Transmission Rebuild Kit, Pro Super, Ford, Lincoln, Mercury, C-4, Kit

Part Number: TCI-528800

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI Pro Super Transmission Overhaul Kits 428800

Automatic Transmission Rebuild Kit, Pro Super, Chevy, Powerglide, Kit

Part Number: TCI-428800

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TCI Trans-Brake Valve Body Kits 376025

Valve Body, Trans-Brake, Full Manual, Cast Iron, Reverse Shift Pattern, Chevy, 700R4, Kit

Part Number: TCI-376025

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI TV Cable Corrector Kits 370813

Automatic Transmission Kickdown Cables, TV Cable Corrector Kits, Zinc Plated Steel Bracket, Designed To Fit Edelbrock Carbs, GM, 200-4R, 4L60/700R4

Part Number: TCI-370813

2.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

TCI TV Cable Corrector Kits 370814

Automatic Transmission Kickdown Cables, TV Cable Corrector Kits, Zinc Plated Steel Bracket, TV Cable for Holley Carbs, GM, 200-4R, 4L60/700R4, Kit

Part Number: TCI-370814

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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