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 Hardened Input Shafts 749200

TCI Hardened Input Shafts 749200

Input Shaft, Hardened, Vaccu Melt 300, 1.82 Carrier, Turbo Spline, 12.625 in. Length, GM, Powerglide, Each

Part Number: TCI-749200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

TCI Hardened Input Shafts 749600

Input Shaft, Hardened, Vaccu Melt 300, 1.76 Carrier, Turbo Spline, 12.875 in. Length, GM, Powerglide, Each

Part Number: TCI-749600

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

TCI Auto Torque Converters 251862

9.5 PRO-X TURBO C 250+

Part Number: TCI-251862

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

TCI GM Speedometer Gears 880032

Speedometer Gear, Driven, 45-Tooth, Light Blue, GM Turbo-Hydromatics, Each

Part Number: TCI-880032

4.37 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880030

Speedometer Gear, Driven, 42-Tooth, Green, GM Turbo-Hydromatics, Each

Part Number: TCI-880030

4.56 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880028

Speedometer Gear, Driven, 40-Tooth, Black, GM Turbo-Hydromatics, Each

Part Number: TCI-880028

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880013

Speedometer Gear, Driven, 44-Tooth, Gray, GM Turbo-Hydromatics, Each

Part Number: TCI-880013

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880010

Speedometer Gear, Driven, 37-Tooth, Burgundy, GM Turbo-Hydromatics, Each

Part Number: TCI-880010

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880029

Speedometer Gear, Driven, 41-Tooth, Mustard, GM Turbo-Hydromatics, Each

Part Number: TCI-880029

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880008

Speedometer Gear, Driven, 35-Tooth, Light Brown, GM Turbo-Hydromatics, Each

Part Number: TCI-880008

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880002

Speedometer Gear, Driven, 20-Tooth, Aqua Blue, GM Turbo-Hydromatics/PowerGlide, Each

Part Number: TCI-880002

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880015

Speedometer Gear, Drive, 10-Tooth, Royal Blue, GM Turbo-Hydromatics, Each

Part Number: TCI-880015

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880004

Speedometer Gear, Driven, 22-Tooth, Dark Gray, GM Turbo-Hydromatics, PowerGlide, Each

Part Number: TCI-880004

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880003

Speedometer Gear, Driven, 21-Tooth, Red, GM Turbo-Hydromatics/PowerGlide, Each

Part Number: TCI-880003

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880001

Speedometer Gear, Driven, 19-Tooth, Natural, GM Turbo-Hydromatics, PowerGlide, Each

Part Number: TCI-880001

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880006

Speedometer Gear, Driven, 29-Tooth, Green, GM Turbo-Hydromatics, Each

Part Number: TCI-880006

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880000

Speedometer Gear, Driven, 18-Tooth, Chocolate Brown, GM Turbo-Hydromatics/PowerGlide, Each

Part Number: TCI-880000

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880038

Speedometer Gear, Drive, 10-Tooth, Green, GM Turbo-Hydromatics, Each

Part Number: TCI-880038

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI GM Speedometer Gears 880005

Speedometer Gear, Driven, 23-Tooth, Black, GM Turbo-Hydromatics, PowerGlide, Each

Part Number: TCI-880005

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI Super StreetFighter Transmissions 211095

Automatic Transmission, Remanufactured, Super StreetFighter, 30-spline Input, 2.48 First Gear Ratio, Chevy, TH400, Each

Part Number: TCI-211095

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI StreetFighter Transmissions 371004

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, 700R4, Each

Part Number: TCI-371004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI Powerglide Shift Levers 748400

Automatic Transmission Shift Lever, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Powerglide, Each

Part Number: TCI-748400

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI StreetFighter Automatic Transmission Packages 371000P1

Automatic Transmission Package, 700R4 Transmission/2,400 rpm Flash Stall Converter/Cooler/Fluid, Chevy

Part Number: TCI-371000P1

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

TCI Street Rodder Transmission Packages 371038P1

Street Rodder Package, 700R4 Transmission/1,700 rpm Flash Stall Converter, Cooler, Fluid, Chevy, Kit

Part Number: TCI-371038P1

1.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

TCI StreetFighter Transmissions 311010

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-311010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

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