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 - 15 of 15

Derale Standard Automatic Transmission Filter Kits 13091

Transmission Auxilary Filter, Remote Canister Type, Temperature Gauge, Mount, Hardware, Fittings, Hose

Part Number: DER-13091

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 12 Bolt GM 8.875 Inch Differential Cover SUM-730305

Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Kit

Part Number: SUM-730305

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Sonnax Automatic Transmission Pans 36950-01

Transmission Oil Pan, Ford C6, Steel, Each

Part Number: SOX-36950-01

5.0 out of 5 stars ( 4 )

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Trail-Gear Trail-Creeper Dual Transfer Case Adapters 100001-1-KIT

Dual Transfer Case Adapter, Trail-Creeper, Aluminum, Natural, Toyota, Kit

Part Number: TGI-100001-1-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Trail-Gear Trail-Creeper Dual Transfer Case Adapters 100006-1-KIT

Dual Transfer Case Adapter, Trail-Creeper, Aluminum, Natural, Toyota, Kit

Part Number: TGI-100006-1-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Summit Racing™ Chrome 10 Bolt GM 8.2/8.5 Inch Differential Cover SUM-730304

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: SUM-730304

4.22 out of 5 stars ( 55 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 12 Bolt GM 8.875 Inch Differential Cover SUM-730306

Differential Cover, Steel, Chrome, GM, 12-Bolt, Truck, Kit

Part Number: SUM-730306

4.12 out of 5 stars ( 49 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt Ford 8.8 Inch Differential Cover SUM-730308-1

Differential Cover, Rear, Steel, Chrome, Ford, 8.8 in., Kit

Part Number: SUM-730308-1

4.59 out of 5 stars ( 51 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt GM 8.2/8.5 Inch Differential Cover SUM-730300

Differential Cover, Steel, Chrome, GM, 8.2 in., 8.5 in., 10-Bolt, Kit

Part Number: SUM-730300

4.46 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt GM 7.5/7.625 Inch Differential Cover SUM-730302

Differential Cover, Steel, Chrome, GM, 7.5 in., 7.625 in.,10-Bolt, Kit

Part Number: SUM-730302

4.68 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt GM 8.5 Inch (truck, front) Differential Cover SUM-730303

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Front, Kit

Part Number: SUM-730303

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt Dana 44 Differential Cover SUM-730307

Differential Cover, Steel, Chrome, Dana 44, Kit

Part Number: SUM-730307

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 14 Bolt GM 9.5 Inch Differential Cover SUM-730312

Differential Cover, Steel, Chrome, GM, 9.5 in., 14-Bolt, Kit

Part Number: SUM-730312

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 14 Bolt GM 10.5 Inch Differential Cover SUM-730311

Differential Cover, Steel, Chrome, GM, 10.5 in., 14-Bolt, Kit

Part Number: SUM-730311

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Summit Racing™ Chrome 10 Bolt GM 8.2 Inch, BOP axle Differential Cover SUM-730301

Differential Cover, Steel, Chrome, GM, 8.2 in., 10-Bolt, B or P Axle, Kit

Part Number: SUM-730301

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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