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.

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Results 1 - 11 of 11

Summit Racing™ TH400 Tailshaft Housings SUM-700407

Tailshaft Housing, Aluminum, 4 in. Housing, GM, TH400, Each

Part Number: SUM-700407

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Summit Racing™ TH400 Transmission Cases SUM-700405

Transmission Case, TH400, Aluminum, SFI Approved, GM, Each

Part Number: SUM-700405

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ Turbo 400 Chevy Automatic Transmission SUM-700401-1

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, TH400, RWD, Each

Part Number: SUM-700400-1

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Automatic Transmission Bellhousings SUM-700406

Bellhousing, Automatic, Aluminum, Natural, TH400, GM, Each

Part Number: SUM-700406

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Racing™ Turbo 400 BOP Automatic Transmission SUM-700401-1

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Buick, Olds, Pontiac, TH400, RWD, Each

Part Number: SUM-700401-1

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Transmission Pumps SUM-700408

Front Pump, TH400 Pump, Oversize Gears, Additional Flow and Pressure, Each

Part Number: SUM-700408

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ Automatic Transmission Components SUM-700409

Automatic Transmission Component, Forward/Direct Piston with Check Ball, TH400, Each

Part Number: SUM-700409

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Centerforce Billet Steel 130-Tooth Flywheel 700400

Flywheel, Billet Steel, 130-Tooth, 29.3 lb., Internal Engine Balance, SFI 1.1, Mopar, Big, Small Block, Each

Part Number: CTF-700400

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Automatic Transmission Components SUM-700405-IPP

Summit Racing™ Automatic Transmission Components SUM-700405-IPP

Intermediate Pressure Plate, TH-400, Use with stock drum in SUM-700405 case

Part Number: SUM-700405-IPP

Not Yet Reviewed

Estimated Ship Date: Today

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Allstar Performance Ring and Pinion Gear Sets ALL70040 Ford 9 in. 6.20 Gears

Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: AAF-ALL70040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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GSP New CV Axle Assemblies for 1997-2002 BOXSTER - NCV70040

CV Axle

Part Number: GNA-NCV70040

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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