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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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

Summit Racing™ Neutral Safety and Backup Light Switch for 1974-1980 Chevy/GMC C/K Series Trucks, Blazer, Jimmy, Malibu, 1974-1975 Cutlass, 1974-1979 Pontiac SUM-RP21426

Neutral Safety Back Up Switch, Plastic, Automatic Transmission, Chevy, GMC. Oldsmobile, Pontiac, GM#1994163 , Each

Part Number: SUM-RP21426

Not Yet Reviewed

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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

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 249-14806/07

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

Part Number: WIL-249-14806-07

Not Yet Reviewed

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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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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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Sonnax Clutch Backing Plates 34144HD-01

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

Part Number: SOX-34144HD-01

Not Yet Reviewed

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Sonnax Clutch Backing Plates 35577-70

Backing Plate A Clutch

Part Number: SOX-35577-70

Not Yet Reviewed

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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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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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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

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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

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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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Hurst Competition Plus Flat Shifter Sticks for 1955-1957 BEL AIR, SEDAN DELIVERY, 1957 DEL RAY - 5388620

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

Part Number: HUU-5388620

4.87 out of 5 stars ( 39 )

Estimated Ship Date: Today

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ARB Air Locker Replacement Parts 170314

Air Line, 6mm Diameter, 6m Length, Back Replacement Line for Air Lockers, Each

Part Number: ARB-170314

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sonnax Clutch Backing Plates 74140-01K

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

Part Number: SOX-74140-01K

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Hurst Tube Style Shifter Sticks 53900HST

Shifter Stick, Steel, Chrome, Lay Back, 10.00 in. Length, 5.50 in. Layback, 3/8 in.-16 Threads, Universal, Each

Part Number: HUU-53900HST

5.0 out of 5 stars ( 3 )

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Steeda Tri-Ax Shifter Handles for 1979-2004 MUSTANG - 555-7153

Replacement Shifter Stick, Aluminum, Natural, Lay Back, Ford, Each

Part Number: SDA-555-7153

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Hurst Nitro Stick 2 Shifter Sticks for 2009-2016 CHALLENGER - 5381001

Shifter Stick, Nitro Stick 2, Lay Back Type, Aluminum, Black Anodized, 8.75 in. Length, Manual, Hurst, Each

Part Number: HUU-5381001

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Hurst Tube Style Shifter Sticks 53950HST

Shifter Stick, Steel, Chrome, Lay Back, 16.50 in. Length, 4.50 in. Layback, 3/8 in.-16 Threads, Universal, Each

Part Number: HUU-53950HST

Not Yet Reviewed

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Hurst Tube Style Shifter Sticks 53800HST

Shifter Stick, Steel, Chrome, Lay Back, 16.00 in. Length, 3/8 in.-16 Threads, Universal, Each

Part Number: HUU-53800HST

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sikky Manufacturing Kinked Shifter Handles SRRT02

Replacement Shifter Stick, Manual Transmission,Lay-Back, 2-Bolt, Aluminum, Each

Part Number: SKM-SRRT02

5.0 out of 5 stars ( 1 )

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Scott Drake Shifter Levers for 1965-1967 MUSTANG - C5ZZ-7210-T

Shifter Lever, Lay Back, Steel, Chrome, 1/2-20 in. Ball Thread, 5-speed, Ford, Each

Part Number: SDK-C5ZZ-7210-T

4.0 out of 5 stars ( 2 )

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Tilton OT-Series Metallic Clutch Disc Packs 64185-2-ABA-36

Clutch Disc, OT-Series, 3 Plate Back-to-Back Setup, 6 Paddle, 1.156 in. - 26-spline, Sintered Metallic, 7.250 in. Diameter, Circle Track, Each

Part Number: TIL-641852ABA36

5.0 out of 5 stars ( 2 )

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