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.

Showing In Stock Items. Show All Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

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

...Loading

Estimated Ship Date: Today

Summit Racing™ Neutral and Backup Safety Switches SUM-RP21429

Neutral Safety Switch, Back Up Switch.With Manual Trans, Restoration, Chevy, Pontiac, GM#3983965 , Each

Part Number: SUM-RP21429

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Apr 1, 2026 if ordered today

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

...Loading

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

...Loading

Estimated Ship Date: Apr 1, 2026 if ordered today

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

...Loading

Estimated Ship Date: Apr 1, 2026 if ordered today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

Sonnax Clutch Backing Plates 35577-70

Backing Plate A Clutch

Part Number: SOX-35577-70

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

Lokar Manual Transmission Shifter Levers MSL6B2

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: Today

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

Fastshafts Ford 9 in. Housing Fasteners TB9075

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Axle Shafts for 2007-2016 TUNDRA - 926-145

Axle Shafts, Direct Fit, Axle Shaft Kit, Rear Left, Includes Axle with Pre-Pressed Bearing, Hub, Backing Plate, Toyota, Each

Part Number: RNB-926-145

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

...Loading

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hurst Tube Style Shifter Sticks 53801HST

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

Part Number: HUU-53801HST

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Page 1 of 80
Next