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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

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

Results 1 - 25 of 1920

Automatic Transmission, Full Manual Valve Body, 30-spline Input, 2.52 First Gear Ratio, Chevy, TH350, Each

Part Number: ATI-351200

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Automatic Transmission Tailhousing, PRO-X TH350 Aluminum Tailhousing, Natural, GM, THM350, Each

Part Number: TCI-323500

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Tailshaft Adapter, Aluminum, Natural, GM, 700R to TH350, Each

Part Number: ADD-50-8506

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: ATI-351470

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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

Part Number: TCI-311000

3.41 out of 5 stars ( 32 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH350, 4WD, Each

Part Number: TCI-311200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 6 in. Tailshaft, Chevy, Buick, Olds, Pontiac, TH350, V8, Kit

Part Number: TCI-311000BP2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: TCI-311090

4.06 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: TCI-311005

4.0 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH350, 4WD, Each

Part Number: TCI-311600

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 6 in. Tailshaft, Chevy, Buick, Olds, Pontiac,TH350, V8, Kit

Part Number: TCI-311000BP1

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: HUP-35-1

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Today

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Estimated Ship Date: Today

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, Chevy, TH350, V8, Kit

Part Number: TCI-311090P1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

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: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

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

Part Number: TCI-311105

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Part Number: TCI-311100

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, 4WD, Chevy, TH350, Each

Part Number: TCI-311500

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Lockup, Chevy, TH400, Replaces TH350 4WD, Kit

Part Number: TCI-211100

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission, Circlematic, Forward Shift Pattern, Full Manual Valve Body, Stock Pan, Chevy, THM350, Each

Part Number: TCI-312002

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

TH350 BOP SF/SNS TRANS PACKAGE

Part Number: TCI-311100P1

Not Yet Reviewed

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

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