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 +

Summit Racing™ TH350, TH400, 700R4 Flexplate Dust Cover SUM-G3883B

Flexplate Dust Cover, Steel, Black Powdercoated, Chevy, TH350, TH400, 700R4, Each

Part Number: SUM-G3883B

3.59 out of 5 stars ( 239 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Differential Support Covers SME-8510300NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 8.2 in., 8.5 in., 10-Bolt, Each

Part Number: SME-8510300NL

4.72 out of 5 stars ( 47 )

Estimated Ship Date: Tomorrow

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Chevrolet Performance Flexplate Dust Covers 19259119

Flexplate Dust Cover, Aluminum, Natural, Chevy, 4L80E/4L85E, LS, Each

Part Number: NAL-19259119

4.65 out of 5 stars ( 34 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Cover Kits 10023539

Differential Cover, Ford 9.75 in. Axle, Nodular Iron, Silver Hammertone Powedercoated, Each

Part Number: SDH-10023539

4.61 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

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Proform Perfect Launch 10 Bolt GM 8.2/8.5 Inch Differential Cover 66668

Differential Cover, Cap Support, Aluminum, Black, Perfect Launch Logo, GM, 8.2 in., 8.5 in., Each

Part Number: PRO-66668

4.32 out of 5 stars ( 50 )

Estimated Ship Date: Tomorrow

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Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7111

Differential Cover, Aluminum, Natural, GM, 8.875 in. Truck, Kit

Part Number: MSR-7111

4.6 out of 5 stars ( 55 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503N

Differential Cover, Aluminum, Natural, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Moser Engineering Aluminum 10 Bolt GM 8.2/8.5 Inch Differential Cover 7107

Differential Cover, Aluminum, Natural, GM, 8.5/8.2 in., Kit

Part Number: MSR-7107

4.65 out of 5 stars ( 102 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Cover Kits 10023538

Differential Cover, Differential Cover Kit, 10-bolt, Nodular Iron, Blue Powdercoated, Ford 8.8 in., Bentley, Ford, Lincoln, Mazda, Mercury, Each

Part Number: SDH-10023538

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Ford Performance Parts Axle Girdles M-4033-G3

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Ford, Kit

Part Number: FMS-M-4033-G3

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503B

Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503B

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Summit Racing™ TH350, TH400, 700R4 Chrome Flexplate Dust Cover SUM-G3883

Flexplate Dust Cover, Steel, Chrome, Chevy, TH350, TH400, 700R4, Each

Part Number: SUM-G3883

3.64 out of 5 stars ( 95 )

Estimated Ship Date: Tomorrow

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Proform Perfect Launch 10 Bolt GM 7.5/7.625 Inch Differential Cover 66667

Differential Cover, Aluminum, Black, Perfect Launch Logo, GM, 7.50 in., 10-Bolt, Each

Part Number: PRO-66667

4.58 out of 5 stars ( 33 )

Estimated Ship Date: Tomorrow

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Ford Performance Parts Axle Girdles M-4033-G2

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Low Profile, Ford, Kit

Part Number: FMS-M-4033-G2

4.99 out of 5 stars ( 67 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Cover Kits 10023536

Differential Covers, Differential Cover Kits, Dana 44, 10-bolt, Nodular Iron, Silver Hammertone Powdercoated, Bolts, Gaskets, Kit

Part Number: SDH-10023536

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Proform Perfect Launch 12 Bolt GM 8.875 Inch Differential Cover 69502

Differential Cover, Aluminum, Black Powdercoated, GM, 8.875 in., Passenger Car, Kit

Part Number: PRO-69502

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Trick Flow® 10 Bolt GM 8.5/8.6 Inch Differential Cover TFS-8510300

Differential Cover, Bearing Cap Supports, Aluminum, GM 10-Bolt, 8.5 in., 8.6 in., Rear Axle, Each

Part Number: TFS-8510300

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Differential Support Covers SME-8510400NL

Differential Cover, Aluminum, Natural, Bearing Cap Support, GM, 7.5 in., 7.625 in., 10-Bolt, Each

Part Number: SME-8510400NL

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Proform Chevy Bowtie 10 Bolt GM 8.2/8.5 Inch Differential Cover 141-696

Differential Cover, Aluminum, Black Crinkle, Bowtie Logo, GM, 8.2 in., 8.5 in., 10-Bolt, Each

Part Number: PRO-141-696

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Trick Flow® 10 Bolt GM 7.5/7.625 Inch Differential Cover TFS-8510400

Differential Cover, Bearing Cap Supports, Aluminum, GM 7.5"/7.625" Rear Axle, Each

Part Number: TFS-8510400

4.82 out of 5 stars ( 55 )

Estimated Ship Date: Tomorrow

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Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7110

Differential Cover, Bearing Girdle, Aluminum, Natural, GM, 12-Bolt, Passenger Car, Kit

Part Number: MSR-7110

4.8 out of 5 stars ( 55 )

Estimated Ship Date: Tomorrow

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Banks Power Ram-Air 14 Bolt AAM 10.5/11.8 Inch Differential Cover 19249

Differential Cover, Power Ram-Air, Satin Black, Milled Aluminum, Chevy, GMC, Dodge, AAM 11.5/11.8, 14-Bolt, Rear Axle, Each

Part Number: GBE-19249

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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Summit Racing™ TH350, TH400, 700R4 Polished Flexplate Dust Cover SUM-G3896

Flexplate Dust Cover, Aluminum, Polished, TH350, TH400, Chevy, Each

Part Number: SUM-G3896

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Chevrolet Performance Flexplate Dust Covers 19420956

Flexplate Dust Cover, Aluminum, Natural, GM, 4L80 Series to Big Block, Each

Part Number: NAL-19420956

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Banks Power Ram-Air 12 Bolt Ford 10.25/10.5 Inch Differential Cover 19252

Differential Cover, Ram-Air, Satin Black, Milled Aluminum, Ford, Sterling 12-Bolt axle, 10.25/10.50 ring gear, Each

Part Number: GBE-19252

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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