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 2000 +

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: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Summit Racing™ TH350 Automatic Transmission SUM-700310-X

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 600 HP, TH350, Each

Part Number: SUM-700310-X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ATI TH350 Transmissions ATI351200

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: Apr 30, 2025 if ordered today

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Estimated Ship Date: Apr 30, 2025 if ordered today

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ATI TH350 Transmissions ATI351470

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

Part Number: ATI-351470

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

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Advance Adapters 700R to TH350 Tailshaft Adapters 50-8506

Advance Adapters 700R to TH350 Tailshaft Adapters 50-8506

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI PRO-X TH350 Aluminum Tailhousings 323500

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Maximizer 4x4 Transmissions 311600

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Transmissions 311000

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Maximizer 4x4 Transmissions 311200

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Transmissions 311090

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Automatic Transmission Packages 311000BP2

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Automatic Transmission Packages 311000BP1

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Super StreetFighter Transmissions 311105

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

Part Number: TCI-311105

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hughes Performance Street and Strip Transmissions 35-1

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Jun 4, 2025 if ordered today

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Estimated Ship Date: Jun 4, 2025 if ordered today

Hughes Performance Street and Strip Transmissions 35-1D

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

Part Number: HUP-35-1D

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

TCI Maximizer 4x4 Transmissions 311700

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH350, 4WD,1982 and later 208NP Transfer Case, Each

Part Number: TCI-311700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2025 if ordered today

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Estimated Ship Date: May 29, 2025 if ordered today

TCI 4x4 Full Manual Competition Transmissions 312300

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

Part Number: TCI-312300

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 30, 2025 if ordered today

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Estimated Ship Date: May 30, 2025 if ordered today

TCI StreetFighter Transmissions 311190

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

Part Number: TCI-311190

Not Yet Reviewed

Estimated Ship Date: May 29, 2025 if ordered today

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Estimated Ship Date: May 29, 2025 if ordered today

TCI Super StreetFighter Transmissions 311005

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Transmissions 311100

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: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

TCI StreetFighter Transmissions 311090P1

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: May 29, 2025 if ordered today

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Estimated Ship Date: May 29, 2025 if ordered today

TCI Maximizer 4x4 Transmissions 311500

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

Part Number: TCI-311500

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today

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