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.

Individual Parts

Part Groups

Results 1 - 25 of 220

Steeda Differential Cover Braces for 2020-2023 EXPLORER - 555-8141

Differential Housing Brace, Stock Housing, Billet Aluminum, Natural, Ford, Kit

Part Number: SDA-555-8141

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ Axle Housing Braces SUM-HNBBF9

Axle Housing Brace, Steel, Natural, Designed for Summit Racing™ 9 in. Ford Rear End Housings, Each

Part Number: SUM-HNBBF9

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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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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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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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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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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Competition Engineering 9 in. Ford Axle Housing Braces C3405

Differential Housing Brace, Stock Housing, Mild Steel, Ford, 9 in., Each

Part Number: CEE-3405

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sikky Manufacturing Differential Braces for 1993-1995 RX-7 - DBA-01

Pinion Support, Differential Brace, Steel, Black Powdercoat, Mazda, FD RX7, Kit

Part Number: SKM-DBA-01

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

Trail-Gear Axle Housing Braces for 1985-1995 4RUNNER, 1979-1995 PICKUP - 111305-1-KIT

Axle Housing Brace, Steel, Natural, Toyota 8.0 (7.8) in., Each

Part Number: TGI-111305-1-KIT

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Moser Engineering Axle Housing Back Braces 7000

Differential Housing Brace, Mild Steel, Ford, 9 in., OEM Heavy Duty Housing, Round Tube, Each

Part Number: MSR-7000

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Strange Axle Tube Brace Kits R5209

Brace, Axle Tube, Chromoly, Ford 8.8 in., GM 7.5 in., 8.875 in. Passenger Car, Kit

Part Number: STR-R5209

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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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Steeda Differential Cover Braces for 1999-2004 MUSTANG - 555-8118

Differential Housing Brace, Stock Housing, Aluminum, Natural, Ford, Kit

Part Number: SDA-555-8118

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

BMR Pinion Support Braces for 2004-2006 CTS - PSB001R

Pinion Support Brace, Red powdercoated, Cadillac, Each

Part Number: BMR-PSB001R

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Trail-Gear Axle Housing Braces 110167-1-KIT

Axle Housing Brace, Steel, Natural, Trail-Gear Rock Assault 9, Each

Part Number: TGI-110167-1-KIT

Not Yet Reviewed

Estimated Ship Date: Today

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Competition Engineering 9 in. Ford Axle Housing Braces C9105

Differential Housing Brace, Competition Engineering Fabricated Housing, Chromoly, Ford, 9 in., Each

Part Number: CEE-9105

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Competition Engineering 9 in. Ford Axle Housing Braces C9205

Differential Housing Brace, Competition Engineering Fabricated Housing, Mild Steel, Ford, 9 in., Each

Part Number: CEE-9205

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

BMR Pinion Support Braces for 2004-2006 CTS - PSB001H

Pinion Support Brace, Black Hammertone powdercoated, Cadillac, Each

Part Number: BMR-PSB001H

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Artec Industries JL/JT APEX Front Axle Armor Kits for 2020-2021 GLADIATOR, 2018-2021 WRANGLER - JL4510

Axle Housing Brace, APEX, JL/JT Front Axle Armor, Steel, Natural, Jeep, Kit

Part Number: RTE-JL4510

Not Yet Reviewed

Estimated Ship Date: Today

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Artec Industries 14-Bolt Rear Apex Short Axle Trusses TR1406

Axle Housing Brace, 14-Bolt Short Truss, Steel, Natural, GM 10.5 in. (14-bolt), Kit

Part Number: RTE-TR1406

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Artec Industries AAM 9.25 Lower Axle Trusses TR9251

Axle Housing Brace, Lower Axle Truss, with Inner C Gussets, Front, Steel, Natural, Dodge 9.25 in. Front (AAM), Dodge, Ram, Kit

Part Number: RTE-TR9251

Not Yet Reviewed

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Allstar Performance Truss Supports ALL68330

Truss Support, Steel, Natural, Ford 9 in., Each

Part Number: AAF-ALL68330

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Artec Industries Dana 60 Front Hydro Ram Mounts for 1999-2022 F-250 SUPER DUTY, F-350 SUPER DUTY - RM6009

Axle Housing Braces, Front Hydro Ram Mount, Steel, Natural, Ford, Each

Part Number: RTE-RM6009

Not Yet Reviewed

Estimated Ship Date: Today

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Rough Country Axle Truss and C-Gusset Kits for 2007-2017 WRANGLER, 2018 WRANGLER JK - 10565

Axle Housing Brace, Upper Axle Truss, C-Gusset, Steel, Natural, Jeep, Kit

Part Number: ROU-10565

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Allstar Performance Axle Tube Brackets ALL68323

Axle Mounting Braces, Allstar Performance Axle Tube Brackets, for use with 3 in. Diameter Axle Tubes, 3/8 in. Diameter Holes, Each

Part Number: AAF-ALL68323

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

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