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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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Performance & Replacement Transmission & Drivetrain Parts

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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.

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.

Showing In Stock Items. Show All 15 Items.

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Results 1 - 9 of 9

Timken Wheel Bearings 6408

Timken Wheel Bearings 6408

Timken Wheel Bearings 6408

Wheel Bearing, Rear Inner, Each

Part Number: TMK-6408

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Motive Gear Axle Bearings 6408

Motive Gear Axle Bearings 6408

Motive Gear Axle Bearings 6408

Axle Bearing, Rear Left or Right, 1.622 in. Bore, 2.531 in. O.D., 0.823 in. Width, GM, Ford, Mopar, Each

Part Number: MGR-6408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

National Bearing Wheel Bearings 6408

National Bearing Wheel Bearings 6408

National Bearing Wheel Bearings 6408

Bearing, Roller, Universal, Each

Part Number: NTL-6408

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Yukon Gear & Axle Mighty Axle Seals YMS8835S

Yukon Gear & Axle Mighty Axle Seals YMS8835S

Yukon Gear & Axle Mighty Axle Seals YMS8835S

Axle Seal, Mighty, Rear, For Use with 1559/6408 Bearing, Each

Part Number: YGA-30201

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Beck/Arnley Wheel Bearing and Hub Assemblies for 2007-2013 MDX, 2009-2015 PILOT, 2010-2013 ZDX - 051-6408

Beck/Arnley Wheel Bearing and Hub Assemblies for 2007-2013 MDX, 2009-2015 PILOT, 2010-2013 ZDX - 051-6408

Beck/Arnley Wheel Bearing and Hub Assemblies for 2007-2013 MDX, 2009-2015 PILOT, 2010-2013 ZDX - 051-6408

Wheel Bearing and Hub Assemblies, Steel Hub, Natural, Front, for use on Acura®, for use on Honda®, Each

Part Number: BCK-051-6408

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

National Bearing Axle Bearings NNTRP6408

National Bearing Axle Bearings NNTRP6408

National Bearing Axle Bearings NNTRP6408

Axle Bearing, Rear, Inner, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Chrysler, Dodge, Ford, Lincoln, Mazda

Part Number: NTL-RP6408

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Motive Gear Light-Duty Axle Shafts for 1997-2004 EXPEDITION, F-150, 1998-2004 NAVIGATOR - F75Z4234MA

Motive Gear Light-Duty Axle Shafts for 1997-2004 EXPEDITION, F-150, 1998-2004 NAVIGATOR - F75Z4234MA

Motive Gear Light-Duty Axle Shafts for 1997-2004 EXPEDITION, F-150, 1998-2004 NAVIGATOR - F75Z4234MA

Axle, Direct Fit, Right Rear, 1541 Carbon Steel, 34-Spline, Ford, Lincoln, Each

Part Number: MGR-F75Z4234MA

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKT

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKT

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKT

Ring and Pinion Installation Kit, Super Kit, Ford 8.8 in., Truck, Kit

Part Number: MGR-R88RSKT

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKTT

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKTT

Motive Gear Super Ring and Pinion Gear Installation Kits R8.8RSKTT

Ring and Pinion Installation Kit, Super Kit, Ford 8.8 in., Truck, Kit

Part Number: MGR-R88RSKTT

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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