Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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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.

Individual Parts

Results 1 - 25 of 2000 +

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

Part Number: WIL-249-14806-07

Not Yet Reviewed

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BRACKET KIT, DISC/DRUM, C10 CHEVY, 2.44

Part Number: WIL-249-10095-96

Not Yet Reviewed

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BRACKET KIT, DISC/DRUM, 12 BOLT, 2.81

Part Number: WIL-249977413680

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

BRACKET KIT, DISC/DRUM, SMALL FORD, 2.66

Part Number: WIL-249-11422-23

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Clutch Backing Plate, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-74140-01K

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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

Part Number: SOX-34144HD-01

Not Yet Reviewed

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Clutch Backing Plate, 4L80-E, 4L85-E, Kit

Part Number: SOX-34144HD-02

Not Yet Reviewed

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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 )

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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 )

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Automatic Transmission Clutch Packs, Automatic Transmission Clutch Backing Plates, Chevrolet, GMC, Each

Part Number: ADO-8675519

Not Yet Reviewed

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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 )

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BACKING PLATE

Part Number: SOX-36965-03

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

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

Part Number: MSR-7015

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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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 )

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Axle Housing End Fasteners, T-bolts, 1/2-20 in. RH Thread, Steel, Black Oxide, Nuts, Washers, Ford 9 in., Kit

Part Number: STR-H1135STKIT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Axle Housing End Fasteners, T-bolts, 3/8-24 in. Thread, Steel, Black Oxide, Nuts, Chrysler 8.75 in., Kit

Part Number: STR-H1133STKIT

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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

Part Number: PE2-HNBBF9

Not Yet Reviewed

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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: Tomorrow

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Replacement Shifter Stick, Steel, Chrome, Lay Back, Kit Number 3913780, Each

Part Number: HUU-5388620

4.87 out of 5 stars ( 39 )

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Housing End T-Bolts, Ford 9 in., Backing Plate T-Bolts, Nuts, Diameter, Set of 8

Part Number: AXE-TB9075

4.75 out of 5 stars ( 4 )

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Shifter Stick, Competition Plus, Round, Lay Back, Steel, Chrome, 8.240 in. Length, Each

Part Number: HUU-5389015

5.0 out of 5 stars ( 6 )

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Shifter Stick, Double Bend, Lay Back, Chrome, 16.00 in. Length, Fits Tremec/Borg Warner T-5, T-45, T-56 Only

Part Number: LOK-MSL6B2

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Clutch Kit - Stage 1 Sprung Organic Clutch Disc with Steel Backed Facing

Part Number: XCL-XKTY22004-1T

Not Yet Reviewed

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Clutch Kit - Stage 1 Sprung Organic Clutch Disc with Steel Backed Facing

Part Number: XCL-XKNI24003-1T

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

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Estimated Ship Date: Oct 10, 2025 if ordered today

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