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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FTI Performance 700R4 Level 2 Transmission Packages FTK7R4-2H

Automatic Transmission, 700R4 Level 2 Transmission Package, Remanufactured, 4 Gears, Torque Converter, Chevrolet, THM700-R4/4L60/MD8, Kit

Part Number: FTI-FTK7R4-2H

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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FTI Performance 700R4 Level 2 Transmission Packages FTK7R4-2E

Automatic Transmission, 700R4 Level 2 Transmission Package, Remanufactured, 4 Gears, Torque Converter, Chevrolet, THM700-R4/4L60/MD8, Kit

Part Number: FTI-FTK7R4-2E

Not Yet Reviewed

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FTI Performance 700R4 Level 2 Transmissions FT7R4-2H

Automatic Transmission, 700R4 Level 2, 4 Gears, Automatic Valve Body, Forward Shift Pattern, 3.06 First Gear Ratio, Chevy, THM700-R4/4L60/MD8, Each

Part Number: FTI-FT7R4-2H

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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FTI Performance 700R4 Level 2 Transmissions FT7R4-2E

Automatic Transmission, 700R4 Level 2, 4 Gears, Automatic Valve Body, Forward Shift Pattern, 3.06 First Gear Ratio, Chevy, THM700-R4/4L60/MD8, Each

Part Number: FTI-FT7R4-2E

1.0 out of 5 stars ( 3 )

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ARB 10 Bolt Dana 50/60 Differential Cover 0750001B

Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, Dana 50, Dana 60, Each

Part Number: ARB-0750001B

Not Yet Reviewed

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ARB 10 Bolt Ford 8.8 Inch Differential Cover 750006

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Ford 8.8 in., Each

Part Number: ARB-0750006

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARB 10 Bolt Chrysler 8.25 Inch Differential Cover 0750005B

Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, Chrysler 8.25 in., Each

Part Number: ARB-0750005B

Not Yet Reviewed

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ARB 10 Bolt GM 8.5 Inch Differential Cover 0750007B

Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, GM 8.5 in., Each

Part Number: ARB-0750007B

4.0 out of 5 stars ( 2 )

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ARB 12 Bolt Nissan M226 Differential Cover 750008

Differential Cover, 12-bolt, Nodular Iron, Red Powdercoated, for Nissan M226, Each

Part Number: ARB-0750008

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Spicer Drivetrain Products Genuine OE 10 Bolt Dana 80 Differential Cover 707231X

Differential Cover, OE, Steel, Natural, Dana 80, Each

Part Number: SDH-707231X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ARB 10 Bolt GM 8.5 Inch Differential Cover 750007

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, GM 8.5 in., Each

Part Number: ARB-0750007

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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ARB 10 Bolt Ford 8.8 Inch Differential Cover 0750006B

Differential Cover, 10-bolt, Nodular Iron, Black Powdercoated, Ford 8.8 in., Each

Part Number: ARB-0750006B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARB 10 Bolt Dana 50/60 Differential Cover 750001

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 50, Dana 60, Each

Part Number: ARB-0750001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARB 12 Bolt Nissan M226 Differential Cover 0750008B

Differential Cover, 12-bolt, Nodular Iron, Black Powdercoated, for Nissan M226, Each

Part Number: ARB-0750008B

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Spicer Drivetrain Products Genuine OE 10 Bolt Dana 70 Differential Cover 42815-2

Differential Cover, OE, Steel, Natural, Dana 70, Each

Part Number: SDH-42815-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ARB 10 Bolt Chrysler 8.25 Inch Differential Cover 750005

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Chrysler 8.25 in., Each

Part Number: ARB-0750005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

ARB 10 Bolt Dana 40/44 Differential Cover 0750003B

Differential Covers Use w/Dana 44 Differential; Not For Use w/Dana 44A Aluminum Housing/ Banjo Style Axles

Part Number: ARB-0750003B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ARB 10 Bolt Dana 44 Differential Cover 750003

Differential Cover, 10-bolt, Nodular Iron, Red Powdercoated, Dana 44, Each

Part Number: ARB-0750003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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: Today

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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: Today

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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: Today

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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: Today

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Ford Performance Parts 12 Bolt Ford 9.75 Inch Differential Cover M-4033-F975

Differential Cover, 12-bolt, Cast Iron, Silver Hammertone Powdercoated, Ford 9.75 in., Each

Part Number: FMS-M-4033-F975

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Yukon Gear & Axle 10 Bolt GM 8.5 Inch Differential Cover YHCC-GM8.5-S

Differential Cover, GM 8.5 in., 10-bolt, Nodular Iron, Black Powdercoated, Cadillac, Chevrolet, GMC, Each

Part Number: YGA-29113

Not Yet Reviewed

Estimated Ship Date: Today

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B&M 12 Bolt Chrysler 9.25 Inch Differential Cover 10306

Differential Cover, Rear, 12-bolt, Aluminum, Natural, Chrysler 9.25 in., Each

Part Number: BMM-10306

4.5 out of 5 stars ( 10 )

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