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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 1064

Advance Adapters Transfer Case Adapters 50-5310

Made in the USA

Advance Adapters Transfer Case Adapters 50-5310

Advance Adapters Transfer Case Adapters 50-5310

Transfer Case Adapter, Steel, Natural, Kit

Part Number: ADD-50-5310

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

BUILD IT WITH SUMMIT!

Filter my search results to see Summit Racing brand parts.

Summit Racing™ Cummins to GM Bellhousing Adapters SUM-CSUM7738

Summit Racing™ Cummins to GM Bellhousing Adapters SUM-CSUM7738

Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, 13 in. Diameter Torque Converter, Kit

Part Number: SUM-CSUM7738

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Trans-Dapt Performance Transmission Bellhousing Adapters 0060

Made in the USA

Trans-Dapt Performance Transmission Bellhousing Adapters 0060

Trans-Dapt Performance Transmission Bellhousing Adapters 0060

Transmission Adapter, Steel, Chevy Engine, to Buick, Cadillac, Oldsmobile, Pontiac TH350/TH400/700R4 Transmissions, Each

Part Number: TRD-0060

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-0411

Made in the USA

Advance Adapters Transfer Case Adapters 50-0411

Advance Adapters Transfer Case Adapters 50-0411

Transfer Case Adapter, GM 4L80E 4WD to GM NP205 Transfer Case Adapter Kit, Replacing TH350 or SM465, 1971-84, Kit

Part Number: ADD-50-0411

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-0410

Made in the USA

Advance Adapters Transfer Case Adapters 50-0410

Advance Adapters Transfer Case Adapters 50-0410

Transfer Case Adapter, GM, RWD 4L80E Transmission, NP205 Transfer Case, Kit

Part Number: ADD-50-0410

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-5905D

Made in the USA

Advance Adapters Transfer Case Adapters 50-5905D

Advance Adapters Transfer Case Adapters 50-5905D

Transfer Case Adapter, Crawler Kit, Toyota, 21-Spline, Gear Driven Transfer Case, Kit

Part Number: ADD-50-5905D

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-0435

Made in the USA

Advance Adapters Transfer Case Adapters 50-0435

Advance Adapters Transfer Case Adapters 50-0435

Transfer Case Adapter, Aluminum, Natural, Kit

Part Number: ADD-50-0435

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Bellhousing Index Reducer Bushings 716078

Made in the USA

Advance Adapters Bellhousing Index Reducer Bushings 716078

Advance Adapters Bellhousing Index Reducer Bushings 716078

Bellhousing Index Reducer Bushing, Reduces GM 5.125 in. Bellhousing Bore To 4.686 in., Each

Part Number: ADD-716078

4.77 out of 5 stars ( 31 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ Pro LS Transmission Adapters SUM-LSTOAR5

Summit Racing™ Pro LS Transmission Adapters SUM-LSTOAR5

Summit Racing™ Pro LS Transmission Adapters SUM-LSTOAR5

Transmission Adapter Kit, Bellhousing Adapter, Throwout bearing spacer, Pilot bearing, Chevy LS, Aisin AR5, Kit

Part Number: SUM-LSTOAR5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

California Pony Cars Bellhousing Adapter Plates for 1965-1970 MUSTANG - TRA-650-526

California Pony Cars Bellhousing Adapter Plates for 1965-1970 MUSTANG - TRA-650-526

California Pony Cars Bellhousing Adapter Plates for 1965-1970 MUSTANG - TRA-650-526

Bellhousing Adapter, Aluminum, T-5 Transmission, Ford, Mustang, Each

Part Number: CPO-TRA-650-526

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

American Powertrain Speedometer Cable Adapters SPGM-10004BK

American Powertrain Speedometer Cable Adapters SPGM-10004BK

American Powertrain Speedometer Cable Adapters SPGM-10004BK

Speedometer Cable Adapters, American Powertrain Speedometer Cable Adapters, 7/8-18 Threads, Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: AWR-SPGM-10004BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-8505

Made in the USA

Advance Adapters Transfer Case Adapters 50-8505

Advance Adapters Transfer Case Adapters 50-8505

Transfer Case Adapter, Aluminum, Natural, Kit

Part Number: ADD-50-8505

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ATI Transmission Cooler Line Fittings ATI925143

ATI Transmission Cooler Line Fittings ATI925143

ATI Transmission Cooler Line Fittings ATI925143

Fitting, Transmission Line into Case Adapter, -6 AN Male to 9/16 in.-18 Male, Aluminum, Black Anodized, Each

Part Number: ATI-925143

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Summit Racing™ BOP to Chevy Bellhousing Adapters SUM-770384

Made in the USA

Summit Racing™ BOP to Chevy Bellhousing Adapters SUM-770384

Summit Racing™ BOP to Chevy Bellhousing Adapters SUM-770384

Transmission Adapter, Steel, Buick/Oldsmobile, Pontiac Engines, To Chevy TH350/TH400, Black Powdercoated, Each

Part Number: SUM-770384

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Chevrolet Performance Transfer Case Components 15724745

Chevrolet Performance Transfer Case Components 15724745

Chevrolet Performance Transfer Case Components 15724745

TRANSFER CASE ADAPTER

Part Number: NAL-15724745

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-3901

Advance Adapters Transfer Case Adapters 50-3901

Advance Adapters Transfer Case Adapters 50-3901

Transfer Case Adapter, Aluminum, Ford, 6R80, 10R80, Bronco Dana 20 Transfer Case, Kit

Part Number: ADD-50-3901

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-3900

Made in the USA

Advance Adapters Transfer Case Adapters 50-3900

Advance Adapters Transfer Case Adapters 50-3900

Transfer Case Adapter, Ford, 6R80 Transmission, Atlas Transfer Case, Kit

Part Number: ADD-50-3900

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Reid Racing Powerglide Bellhousings Adapters BH050

Reid Racing Powerglide Bellhousings Adapters BH050

Reid Racing Powerglide Bellhousings Adapters BH050

Bellhousing, Ford 4.6, 5.4L to Reid Superglide Case and Super Hydra 400 Case, SFI 30.1 Certified, Aluminum, Each

Part Number: REI-BH050

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

McLeod Manual Transmission Adapters 8-207

McLeod Manual Transmission Adapters 8-207

McLeod Manual Transmission Adapters 8-207

Transmission Adapter, Aluminum, Early GM V8, Tremec/Borg Warner Bellhousing to Chevy OEM LS T-56 Trans., Each

Part Number: MCL-8-207

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters Transfer Case Adapters 50-7100

Made in the USA

Advance Adapters Transfer Case Adapters 50-7100

Advance Adapters Transfer Case Adapters 50-7100

Transfer Case Adapter, GM, TH350 Transmission, NP208 Transfer Case, Kit

Part Number: ADD-50-7100

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

J.W. Performance Flexplate Adapter Kits 80013

J.W. Performance Flexplate Adapter Kits 80013

J.W. Performance Flexplate Adapter Kits 80013

Flexplate Adapter, Steel, Chrysler, Dodge, Plymouth, 8-Bolt Crankshaft, Kit

Part Number: JPT-80013

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

PRW Platinum Series Crank Adapter Sleeves 1800302

PRW Platinum Series Crank Adapter Sleeves 1800302

PRW Platinum Series Crank Adapter Sleeves 1800302

Crank Adapter Sleeve, Steel, Ford, Small Block Windsor, V8, Fits GM Converters, Each

Part Number: PQX-1800302

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Advance Adapters AMC to Chevrolet Bellhousing Adapters 716138

Made in the USA

Advance Adapters AMC to Chevrolet Bellhousing Adapters 716138

Advance Adapters AMC to Chevrolet Bellhousing Adapters 716138

Bellhousing Adapter, Steel, AMC, L6, V8 to 4L60E, 700R4, Kit

Part Number: ADD-716138

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Lokar Manual Transmission Shift Lever Adapters for 1995-2003 BLAZER, S10 - MSL610

Made in the USA

Lokar Manual Transmission Shift Lever Adapters for 1995-2003 BLAZER, S10 - MSL610

Lokar Manual Transmission Shift Lever Adapters for 1995-2003 BLAZER, S10 - MSL610

Shift Lever Adapter, NV3500, NV1500, Each

Part Number: LOK-MSL610

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

ATI Adapter Kits ATI915231

ATI Adapter Kits ATI915231

ATI Adapter Kits ATI915231

Adapter Kit, Ford Small Block Internal Balance To GM Powerglide, Adapter Plate, Crank Adapter, SFI Flexplate, Kit

Part Number: ATI-915231

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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