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 - 25 of 52

Summit Racing™ Manual Transmission Bellhousing Kits SUM-700170-KIT

Bellhousing, Manual, Cast Aluminum, Natural, GM 621, with Fork, Throwout Bearing, Boot , Pivot Ball and Inspection Cover, Chevy, SBC, BBC, Kit

Part Number: SUM-700170-KIT

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Chevrolet Performance SuperMatic 2,400-2,800 Stall Torque Converter 19299800

Torque Converter, 2,400-2,800 Stall, 4L60/65/70/75-E, Late LS V-8 trans. Mates to Early Gen 1 SBC/BBC, Dual Bolt Pattern, 10.75 and 11.50 in. Each

Part Number: NAL-19299800

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2026 if ordered today

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Estimated Ship Date: Aug 21, 2026 if ordered today

The Right Stuff Wheel Bearing Kits WB02C

OUTTER WHEEL BEARING

Part Number: RSD-WB02C

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Chevrolet Performance SuperMatic 3,000-4,000 Stall Torque Converter 19299801

Torque Converter, 3,000-3,400 Stall, 4L60/65/70/75-E, Late LS V-8 trans. Mates to Early Gen 1 SBC/BBC, Dual Bolt Pattern, 10.75 and 11.50 in. Each

Part Number: NAL-19299801

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2026 if ordered today

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Estimated Ship Date: Aug 21, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2238 GM 7.5/7.625 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10693

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2235 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10690

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2239 GM 7.5/7.625 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10694

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2237 GM 7.5/7.625 in. 3.42 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10692

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2236 GM 7.5/7.625 in. 3.23 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10691

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

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

4.27 out of 5 stars ( 51 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Proform Perfect Launch 10 Bolt Dana 60 Differential Cover 69504

Differential Cover, Perfect Launch, 10-bolt, Aluminum, Black, Dana 60, Each

Part Number: PRO-69504

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

TCI Maximizer 4x4 Transmissions 311600

TCI Maximizer 4x4 Transmissions 311600

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH350, 4WD, Each

Part Number: TCI-311600

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

TCI Maximizer 4x4 Transmissions 311200

Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, TH350, 4WD, Each

Part Number: TCI-311200

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Wheel Bearings SET5

Wheel Bearing, Each

Part Number: TMK-SET5

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Wheel Bearings SET38

Wheel Bearing, Each

Part Number: TMK-SET38

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Wheel Bearings SET10

Wheel Bearing, Rear Inner, Each

Part Number: TMK-SET10

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Wheel Bearings SET9

Wheel Bearing, Each

Part Number: TMK-SET9

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Wheel Bearings 6408

Wheel Bearing, Rear Inner, Each

Part Number: TMK-6408

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Hurst Competition/Plus Installation Kits 3734531

Shifter Installation Kit, Competition Plus, Saginaw, 441, Chevy, Pontiac, Kit

Part Number: HUU-3734531

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Hurst Competition/Plus Installation Kits 3734297

Shifter Installation Kit, Competition Plus, Saginaw, 441, Buick, Chevy, Kit

Part Number: HUU-3734297

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2225 GM 8.875 in. (12-bolt) truck 3.08 Gears

Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10680

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2008 GM 8.5 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10719

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10835

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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