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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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- Stock Replacement (8)

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.

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 23 Items.

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Results 1 - 9 of 9

Dorman Axle Shafts 630-604

Dorman Axle Shafts 630-604

Dorman Axle Shafts 630-604

Rear Axle Shafts

Part Number: RNB-630-604

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

Timken Pinion Bearing Races HM89410

Timken Pinion Bearing Races HM89410

Timken Pinion Bearing Races HM89410

Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Timken Pinion Bearings HM89449

Timken Pinion Bearings HM89449

Timken Pinion Bearings HM89449

Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each

Part Number: TMK-HM89449

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

National Bearings and Seals Oil Seals 710780

National Bearings and Seals Oil Seals 710780

National Bearings and Seals Oil Seals 710780

Oil Seal

Part Number: NTL-710780

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Timken Pinion Bearings M88048

Timken Pinion Bearings M88048

Timken Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Timken Pinion Bearing Races M88010

Timken Pinion Bearing Races M88010

Timken Pinion Bearing Races M88010

Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

National Bearing Automatic Transmission Selector Shaft Seals 8792S

National Bearing Automatic Transmission Selector Shaft Seals 8792S

National Bearing Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

FAG USA Wheel Bearings DB0669

FAG USA Wheel Bearings DB0669

FAG USA Wheel Bearings DB0669

Wheel Bearings, Tapered Roller, Steel, 1.313 in. Inside Diameter, 2.687 in. Outside Diameter, Each

Part Number: FWB-DB0669

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

National Bearing Pinion Bearings M88048

National Bearing Pinion Bearings M88048

National Bearing Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: NTL-M88048

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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