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...

Individual Parts

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Results 1 - 25 of 470

TCI PRO-X GM Turbo 400 Governor Covers 243300

TCI PRO-X GM Turbo 400 Governor Covers 243300

Governor Cover, Aluminum, Blue Anodized, GM, TH400, Kit

Part Number: TCI-243300

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

Need It Sooner? We recommend these similar substitute parts:

ICT Billet Governor Delete Plates 551906

4 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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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 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 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 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 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 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 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 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 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 PRO-X Powerglide Input Shafts 749602

Input Shaft, Pro-X®, 1.76 Carrier, Turbo Splines, 12.875 in. Length, Powerglide, Each

Part Number: TCI-749602

Not Yet Reviewed

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TCI PRO-X 6,400-6,700 Stall Torque Converter 251812

9.5" PRO-X TURBO CCX 150+ 6 LUG

Part Number: TCI-251812

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 PRO-X 6,200-6,500 Stall Torque Converter 251811

9.5" PRO-X TURBO CCX 200+ 6 LUG

Part Number: TCI-251811

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

TCI PRO-X 6,300-6,600 Stall Torque Converter 251813

9.5" PRO-X TURBO CCX 100+ 6 LUG

Part Number: TCI-251813

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

TCI PRO-X 5,800-6,300 Stall Torque Converter 251860

9.5 PRO-X TURBO C 325+

Part Number: TCI-251860

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

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Estimated Ship Date: Nov 14, 2025 if ordered today

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