TH400 Torque Converters & TH400 Stall Converters

The Turbo Hydra-Matic 400 automatic transmission is the heavy-duty version of the TH350. Starting in the 1960s, TH400s were found in heavier, more powerful GM vehicles,...

The Turbo Hydra-Matic 400 automatic transmission is the heavy-duty version of the TH350. Starting in the 1960s, TH400s were found in heavier, more powerful GM vehicles, like trucks. Because of their strength, reliability, and their compatibility with small and big block Chevy engines, they became popular options for performance builds, like race cars and off-road vehicles.

A torque converter—also called a stall converter when it features higher stall speed—is a fluid coupler that transfers power from your engine’s flexplate to the transmission. It’s roughly equivalent to the clutch on a manual transmission vehicle. For more details on how they work and how to choose one for your application, check out this video on our blog, On All Cylinders.

Your stock converter is fine for everyday driving, but an aftermarket converter can change the way your TH400 transmission performs. Generally, a higher stall speed can help you launch harder, while a lower stall speed is great for towing. The heat and pressure created by high horsepower can also cause ordinary converters to “balloon” or expand, causing misalignment and damage. Most aftermarket converters are reinforced with anti-ballooning features to survive these conditions.

Top Brands

As the vital link between your engine and your TH400 automatic transmission, you need a reliable torque converter that can handle the demands of performance driving. Summit Racing Equipment only carries converters from trusted name brands like TCI Auto, Hughes, B&M, Hays, Allstar Performance, and more. They’re the parts we use on our own project vehicles!

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Hughes Performance Pro-Street 30 Series Torque Converters GM30

Torque Converter, Pro-Street, 3,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM30

4.81 out of 5 stars ( 16 )

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Summit Racing™ Pro Bracket Race 4,400-5,600 Stall Torque Converter SUM-701111

Torque Converter, 8 in. Race, TH350, TH400, PG With Turbo Splines, Each

Part Number: SUM-701111

Not Yet Reviewed

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TCI Breakaway 2,400-2,600 Stall Torque Converter 240900

TCI Breakaway 2,400-2,600 Stall Torque Converter 240900

Torque Converter, Breakaway, Chevy, TH350/TH400, Each

Part Number: TCI-240900

4.29 out of 5 stars ( 24 )

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FTI Performance ESR Series 3,400-3,600 Stall Torque Converter ESR6082

Torque Converter, ESR Series, 9.50 in. Diameter, 3,400 to 3,600 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR6082

4.78 out of 5 stars ( 9 )

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FTI Performance MR Series 4,000 Stall Torque Converter MR8082

Torque Converters, MR Series, Hard Hitting, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR8082

3.0 out of 5 stars ( 2 )

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FTI Performance ESR Series 2,800 Stall Torque Converter ESR3380

Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR3380

4.17 out of 5 stars ( 6 )

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FTI Performance ESR Series 3,200 Stall Torque Converter ESR0082

Torque Converter, ESR Series, 9.50 in. Diameter, 3,200 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR0082

5.0 out of 5 stars ( 11 )

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FTI Performance ESR Series 3,800-4,000 Stall Torque Converter ESR8082

Torque Converter, ESR Series, 9.50 in. Diameter, 3,800 to 4,000 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR8082

4.83 out of 5 stars ( 6 )

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TCI StreetFighter 3,000-3,600 Stall Torque Converter 241000

Torque Converter, StreetFighter, Chevy, TH350/TH400, Each

Part Number: TCI-241000

4.78 out of 5 stars ( 9 )

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Hughes Performance Pro-Street 30 Series 2,800-3,000 Stall Torque Converter GM30BILLET

245MM 30 SPLINE Has TH350 (10.75) & TH400 (11.50) Bolt patterns. Will not fit 153 tooth flexplate, see GM30BILLET-153T

Part Number: HUP-GM30BILLET

Not Yet Reviewed

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TCI Breakaway 2,200-2,600 Stall Torque Converter 241100

Torque Converter, Breakaway, Chevy, Buick, Oldsmobile, Pontiac, TH350/TH400, Each

Part Number: TCI-241100

5.0 out of 5 stars ( 2 )

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TCI Breakaway 2,400-2,600 Stall Torque Converter 240901

Torque Converter, Breakaway, Chevy, TH350/TH400, Each

Part Number: TCI-240901

4.63 out of 5 stars ( 16 )

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TCI Super StreetFighter 3,500-3,800 Stall Torque Converter 241002

Torque Converter, Super StreetFighter, Chevy, TH350/TH400, Each

Part Number: TCI-241002

4.8 out of 5 stars ( 5 )

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FTI Performance SR Series 2,800-3,200 Stall Torque Converter SR3082

GM NON LOCK-UP TH350, TH400 2800-3000 STALL

Part Number: FTI-SR3082

5.0 out of 5 stars ( 1 )

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FTI Performance SR Series 2,600-2,800 Stall Torque Converter SR3380

TORQUE CONVERTER

Part Number: FTI-SR3380

Not Yet Reviewed

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TCI StreetFighter 3,000-3,600 Stall Torque Converter 241001

Torque Converter, StreetFighter, Chevy, TH350/TH400, Each

Part Number: TCI-241001

3.73 out of 5 stars ( 11 )

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Boss Hog Street Bandit 2,400-2,800 Stall Torque Converter 46022

Torque Converter, Street Bandit, 9.6 in. Diameter, 2,400-2,800 Stall, GM, TH400, Each

Part Number: APE-46022

Not Yet Reviewed

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Hughes Performance Pro Competition 45 Series Torque Converters GM45

Torque Converter, Pro Competition, 4,500 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM45

5.0 out of 5 stars ( 3 )

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FTI Performance ESR Series 3,000 Stall Torque Converter ESR3082

Torque Converter, ESR Series, 9.50 in. Diameter, 3,000 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR3082

4.69 out of 5 stars ( 13 )

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Hughes Performance Street Rod 2,000 Stall Torque Converter GM20HD

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, HD Sprag, Each

Part Number: HUP-GM20HD

5.0 out of 5 stars ( 8 )

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Hughes Performance Street Rod 2,000 Stall Torque Converter GM20

Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM20

4.21 out of 5 stars ( 39 )

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Hughes Performance Street/Strip 35 Series Torque Converters GM35

Torque Converter, Street/Strip 35 Series, Non-Lockup, 30 -Spline, 9 in. Diameter, 3 x 10.75 in. Bolt Circle, Chevy, TH350/TH400, Each

Part Number: HUP-GM35

Not Yet Reviewed

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TCI Breakaway 2,200-2,600 Stall Torque Converter 241101

Torque Converter, Breakaway, Chevy, Buick, Oldsmobile, Pontiac, TH350/TH400, Each

Part Number: TCI-241101

Not Yet Reviewed

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FTI Performance SR Series 4,000 Stall Torque Converter SR8082

GM NON LOCK-UP TH350, TH400 3800-4000 STALL

Part Number: FTI-SR8082

Not Yet Reviewed

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TCI Breakaway 2,200-2,600 Stall Torque Converter 241200

Torque Converter, Breakaway, Chevy, TH350/TH400, Each

Part Number: TCI-241200

Not Yet Reviewed

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FTI Performance SR Series 3,400-3,600 Stall Torque Converter SR6082

GM NON LOCK-UP TH350, TH400 3400-3600 STALL

Part Number: FTI-SR6082

Not Yet Reviewed

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