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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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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.

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Results 1 - 25 of 2000 +

Wilwood Drum Brake Backing Plates 249-12668/69

Made in the USA Wilwood Drum Brake Backing Plates 249-12668/69

Wilwood Drum Brake Backing Plates 249-12668/69

BRACKET KIT, DISC/DRUM, 12 BOLT CHEVY, 2.75

Part Number: WIL-249-12668-69

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Mopar Replacement Parking Brake Backing Plates 52113468AF

Mopar Replacement Parking Brake Backing Plates 52113468AF

Mopar Replacement Parking Brake Backing Plates 52113468AF

PLATE, PARKING BRAKE, 2005-2013

Part Number: MOP-52113468AF

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Wilwood Drum Brake Backing Plates 249-10095/96

Made in the USA Wilwood Drum Brake Backing Plates 249-10095/96

Wilwood Drum Brake Backing Plates 249-10095/96

BRACKET KIT, DISC/DRUM, C10 CHEVY, 2.44

Part Number: WIL-249-10095-96

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Mopar Replacement Parking Brake Backing Plates for 2006 DURANGO - 68307056AA

Mopar Replacement Parking Brake Backing Plates for 2006 DURANGO - 68307056AA

Mopar Replacement Parking Brake Backing Plates for 2006 DURANGO - 68307056AA

PLATE, PARKING BRAKE, 2002-2006

Part Number: MOP-68307056AA

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Wilwood Drum Brake Backing Plates 249-14806/07

Made in the USA Wilwood Drum Brake Backing Plates 249-14806/07

Wilwood Drum Brake Backing Plates 249-14806/07

Parking Brake Mounting Brackets, Disc with Drum Parking Brake, Rear, Aluminum, Black Powdercoated, Chevrolet, Pair

Part Number: WIL-249-14806-07

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wilwood Drum Brake Backing Plates 249-11422/23

Made in the USA Wilwood Drum Brake Backing Plates 249-11422/23

Wilwood Drum Brake Backing Plates 249-11422/23

BRACKET KIT, DISC/DRUM, SMALL FORD, 2.66

Part Number: WIL-249-11422-23

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Wilwood Drum Brake Backing Plates 249-9774/13680

Made in the USA Wilwood Drum Brake Backing Plates 249-9774/13680

Wilwood Drum Brake Backing Plates 249-9774/13680

BRACKET KIT, DISC/DRUM, 12 BOLT, 2.81

Part Number: WIL-249977413680

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Mopar Replacement Parking Brake Backing Plates 52122237AA

Mopar Replacement Parking Brake Backing Plates 52122237AA

Mopar Replacement Parking Brake Backing Plates 52122237AA

Backing Plate, Parking Brake Assembly, Emergency Brake Only, Steel, Black, Shoes, Hardware, Dodge, Truck, Each

Part Number: MOP-52122237AA

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Mopar Replacement Parking Brake Backing Plates 52010141AG

Mopar Replacement Parking Brake Backing Plates 52010141AG

Mopar Replacement Parking Brake Backing Plates 52010141AG

PLATE, PARKING BRAKE, 2003-2011

Part Number: MOP-52010141AG

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Mopar Replacement Brake Backing Plates 05106120AB

Mopar Replacement Brake Backing Plates 05106120AB

Mopar Replacement Brake Backing Plates 05106120AB

PLATE, 2012-2017

Part Number: MOP-05106120AB

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Mopar Replacement Parking Brake Backing Plates for 2015-2021 1500, 2019 1500 CLASSIC - 04779823AC

Mopar Replacement Parking Brake Backing Plates for 2015-2021 1500, 2019 1500 CLASSIC - 04779823AC

Mopar Replacement Parking Brake Backing Plates for 2015-2021 1500, 2019 1500 CLASSIC - 04779823AC

PLATE, PARKING BRAKE, 2013-2024

Part Number: MOP-04779823AC

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

ACDelco - Brake Backing Plates for 2020-2025 CT4, 2020-2026 CT5 - 84849419

ACDelco - Brake Backing Plates for 2020-2025 CT4, 2020-2026 CT5 - 84849419

ACDelco - Brake Backing Plates for 2020-2025 CT4, 2020-2026 CT5 - 84849419

BRACKET-CHRG AIR CLR

Part Number: ADO-84849419

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Mopar Replacement Brake Backing Plates 56052949AC

Mopar Replacement Brake Backing Plates 56052949AC

Mopar Replacement Brake Backing Plates 56052949AC

PLATE, PARKING BRAKE, 2008-2017

Part Number: MOP-56052949AC

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0100

Made in the USA Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0100

Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0100

Differential Housing Brace, Fabricated Housing, Mild Steel, 0.750 in. Thick, Ford 9 in., Kit

Part Number: RHC-16-0100

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Sonnax Clutch Backing Plates 34144HD-01

Sonnax Clutch Backing Plates 34144HD-01

Sonnax Clutch Backing Plates 34144HD-01

Clutch Backing Plate, THM400, 4L80-E, Kit

Part Number: SOX-34144HD-01

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Shiftworks Neutral Safety and Back-up Light Switch Relocation Kits SW653

Made in the USA Shiftworks Neutral Safety and Back-up Light Switch Relocation Kits SW653

Shiftworks Neutral Safety and Back-up Light Switch Relocation Kits SW653

Neutral Safety Switch, Neutral Safety and Backup Light Switch Relocation, Metal/Plastic, Chevy, Pontiac, Kit

Part Number: SIW-SW653

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Sonnax Clutch Backing Plates 35577-70

Sonnax Clutch Backing Plates 35577-70

Sonnax Clutch Backing Plates 35577-70

Backing Plate A Clutch

Part Number: SOX-35577-70

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moser Engineering Axle Housing Back Braces 7010

Moser Engineering Axle Housing Back Braces 7010

Moser Engineering Axle Housing Back Braces 7010

Differential Housing Brace, Mild Steel, Ford, 9 in., Round Back, Edsel Designed Axle Only, Each

Part Number: MSR-7010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0101

Made in the USA Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0101

Rhodes Race Cars Fabricated 9 in. Housing Back Braces 16-0101

Differential Housing Brace, Fabricated Housing, 4130 Chromoly Steel, 0.062 in. Thick, Ford 9 in., Kit

Part Number: RHC-16-0101

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Moser Engineering Axle Housing Back Braces 7015

Moser Engineering Axle Housing Back Braces 7015

Moser Engineering Axle Housing Back Braces 7015

Differential Housing Brace, Mild Steel, Mopar, 8.75 in., Each

Part Number: MSR-7015

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

PEM Racing Axle Housing Back Braces HNBBF9

PEM Racing Axle Housing Back Braces HNBBF9

PEM Racing Axle Housing Back Braces HNBBF9

Axle Housing Brace, Steel, Natural, Designed for PEM Floater 9 in. Ford Rear End Housings, Each

Part Number: PE2-HNBBF9

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212461

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212461

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212461

Automatic Transmission Clutch Steels, ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates, Each

Part Number: ADO-24212461

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212460

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212460

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24212460

Automatic Transmission Clutch Steels, ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates, Each

Part Number: ADO-24212460

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco Automatic Transmission Clutch Backing Plate Retainer Rings 24233407

ACDelco Automatic Transmission Clutch Backing Plate Retainer Rings 24233407

ACDelco Automatic Transmission Clutch Backing Plate Retainer Rings 24233407

Auto Trans Clutch Backing Plate Retainer Ring

Part Number: ADO-24233407

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24271869

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24271869

ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates 24271869

Automatic Transmission Clutch Steels, ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates, 0.437 in. Thickness, Each

Part Number: ADO-24271869

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today