Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Individual Parts

Part Groups

Results 1 - 25 of 143

TCI Trans-Brake Solenoids 221301

TCI Trans-Brake Solenoids 221301

Solenoid, Trans-Brake Solenoid, Aluminum, Natural, GM, TH350, Each

Part Number: TCI-221301

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Summit Racing™ Nitrous 2,800-3,200 Stall Torque Converter SUM-700360-BC

Torque Converter, 10 in. Diameter, Billet Cover, Powerglide, TH350, TH400, 2,800-3,200 Stall, Each

Part Number: SUM-700360-BC

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Hughes Performance Trans-Brake Solenoids HP2213

Solenoid, Trans-Brake, Billet Aluminum, Natural, GM, TH350/TH400, Each

Part Number: HUP-HP2213

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

TCI Trans-Brake Valve Body Kits 321500

Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321500

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

ATI TH350 Transmissions ATI351470

TRANSMISSION - MAN REV W/TRANS-BRAKE - CHEVY 6" EXT

Part Number: ATI-351470

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Estimated Ship Date: Nov 12, 2025 if ordered today

Call to Order

Hughes Performance Full Manual Trans-Brake Valve Bodies HP3215

Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: HUP-HP3215

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

ATI Compu-Flow Trans-Brakes ATI353080

VALVE BODY - EXT TRANS-BRAKE

Part Number: ATI-353080

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

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Estimated Ship Date: Nov 18, 2025 if ordered today

TCI Replacement Trans-Brake Release Valves 321400

Release Valve & Spring for #321500 Trans-Brake

Part Number: TCI-321400

Not Yet Reviewed

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

TCI Trans-Brake Valve Body Kits 321501

V/B TH350 TRANSBRAK W/O 221301

Part Number: TCI-321501

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

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Estimated Ship Date: Nov 4, 2025 if ordered today

TCI Competition Transmissions 312500

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Trans-Brake, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Hughes Performance Street and Strip Transmissions 35-3

Automatic Transmission, Reverse Shift Pattern, Trans-Brake, Manual Valve Body, Chevy, TH350, Each

Part Number: HUP-35-3

5.0 out of 5 stars ( 4 )

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Hughes Performance Street and Strip Transmissions 35-3C

Automatic Transmission, Custom Shift Pattern, Automatic, Manual Valve Body, Trans-Brake, TH350, 4WD, Each

Part Number: HUP-35-3C

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

Call to Order

Hughes Performance Street and Strip Transmissions 35-3D

Automatic Transmission, Reverse Shift Pattern, Trans-Brake, Manual Valve Body, Chevy, TH350, Each

Part Number: HUP-35-3D

5.0 out of 5 stars ( 1 )

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Hughes Performance Automatic Transmissions 35-3B

Transmission Assembly - TH350 w/Transbrake REV Pattern, BOP (6" Tail)

Part Number: HUP-35-3B

Not Yet Reviewed

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Hughes Performance Automatic Transmissions 35-3B-75

Transmission Assembly - TH350 w/Transbrake REV Pattern B.O.P. 6" Tail w/2.75 Low

Part Number: HUP-35-3B-75

Not Yet Reviewed

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Hughes Performance Automatic Transmissions 35-3-75

Transmission Assembly - TH350 w/Transbrake REV Pattern, (6" Tail) w/2.75 Low

Part Number: HUP-35-3-75

Not Yet Reviewed

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Hughes Performance Automatic Transmissions 35-3X

Transmission Assembly - TH350 w/Transbrake REV Pattern w/Heavy Duty Internals

Part Number: HUP-35-3X

Not Yet Reviewed

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TCI Competition Transmissions 312001

Automatic Transmission, Remanufactured, Reverse Shift Pattern, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312001

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

FTI Performance TH400 Level 4 Transmissions TH400-4UB

Automatic Transmission, Level 4, TH400, Trans-Brake, Chevy Ultrabell, Each

Part Number: FTI-TH400-4UB

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

TCI Competition Transmissions 312000

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

Part Number: TCI-312000

3.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

TCI Competition Transmissions 312100

Automatic Transmission, Remanufactured, Forward Shift Pattern, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH350, Each

Part Number: TCI-312100

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

ATI SuperCase TH350 Transmission Cases ATI350011NG

Automatic Transmission Cases, SuperCase, SFI Rated, with Chevy Bellhousing, No Band/Governer, Aluminum, Natural, TH350, GM, Each

Part Number: ATI-350011NG

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

FTI Performance TH400 Level 4 Transmissions TH400-4UBC

Automatic Transmission, Level 4, TH400, Trans-Brake, Chevy, Cut For Ultrabell, Each

Part Number: FTI-TH400-4UBC

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

TCI Super StreetFighter Transmissions 211095

4.5 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/3/2025

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FTI Performance Mud Series Powerglide Level 3 Transmissions MPG3SUB

RACING POWER GLIDE Trans, SHORT SHAFT,STOCK POWERGLIDE CASE,BILLET MUD TRANS BRAKE VALVE BODY, ALL NEW INTERNAL PARTS, DEEP ALUMINUM PAN

Part Number: FTI-MPG3SUB

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

TCI Valve Body Gaskets GSK321500

Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH350, Transbrake Equipped, Kit

Part Number: TCI-GSK321500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

FTI Performance Torque Converters SR6391

Torque Converter, Street Racer Series, 9 1/2 in., Non-Lockup, 3,800 rpm Stall Rating, for TH350/TH400 Transmission, No Trans-brake, up to 750 hp, Each

Part Number: FTI-SR6391

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

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