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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Results 1 - 25 of 2000 +

McLeod RST Street Twin Clutch Kits 6405507

Clutch Kit, RST Street Twin, Organic, 1.125 in. - 26, Billet Steel Flywheel, Chevy, Pontiac, Small Block LS, Kit

Part Number: MCL-6405507

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 35-Spline 4L80E Transmission Rebuild Kit SUM-705064

Automatic Transmission Rebuild Kit, Gaskets, Seals, Band, Clutches, Filter, Chevy, 4L80E, 35-spline Input, Kit

Part Number: SUM-705064

5.0 out of 5 stars ( 4 )

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McLeod Super StreetPro Clutch Kits 75224

Clutch Kit, Super StreetPro, Organic, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75224

4.66 out of 5 stars ( 56 )

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Summit Racing™ 30-Spline 4L60E, 4L65E, 4L70E Transmission Rebuild Kit SUM-705066

Automatic Transmission Rebuild Kit, Gaskets, Seals, Band, Clutches, Filter, Chevy, 04-10, 4L60E, 4L65E, 4L70E, 30-spline Input, Kit

Part Number: SUM-705066

4.25 out of 5 stars ( 4 )

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McLeod Super StreetPro Clutch Kits 75221

Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75221

4.53 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

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McLeod RXT Street Twin Clutch Kits 6405507M

Clutch Kit, Street Twin, Ceramic, 1 1/8 in- 26, Billet Steel Flywheel, Diaphram, Pilot Bushing, Chevy, LS, Kit

Part Number: MCL-6405507M

4.83 out of 5 stars ( 6 )

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Summit Racing™ Automatic Transmission Servo Kits SUM-705415-K

Servo Piston Complete Drop in Assembly, Corvette Servo, 2nd/4th Gear , GM, 700R4, 4L60E, 4L65E, 4L70E, Complete drop in Kit

Part Number: SUM-705415-K

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Valair Performance Quiet Street Dual Disc Clutch Kits QG56DDSN-ORG

Clutch Kits, Quiet Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, Ram, L6 Diesel, Kit

Part Number: VAI-QG56DDSN-ORG

4.5 out of 5 stars ( 8 )

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Summit Racing™ 30-Spline 4L60E Transmission Rebuild Kit SUM-705005

Summit Racing™ 30-Spline 4L60E Transmission Rebuild Kit SUM-705005

Automatic Transmission Rebuild Kit, GM, 4L60E, 30-Spline, Kit

Part Number: SUM-705005

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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McLeod Street Extreme Clutch Kits 75321

Clutch Kit, Street Extreme, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75321

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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American Powertrain Hydramax Hydraulic Clutch Release Systems HMGM01101G

Throwout Bearing Conversion, Hydraulic, Hydramax, GM, TKO/TKX/Muncie/Saginaw/Richmond/Lenco, Kit

Part Number: AWR-HMGM01101SR

3.9 out of 5 stars ( 41 )

Estimated Ship Date: Tomorrow

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Summit Racing™ High Performance 30-Spline TH350 Transmission Rebuild Kit SUM-705020

Automatic Transmission Rebuild Kit, Kolene Steels, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705020

4.41 out of 5 stars ( 29 )

Estimated Ship Date: Tomorrow

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Summit Racing™ 30-Spline TH350 Transmission Rebuild Kit SUM-705000

Automatic Transmission Rebuild Kit, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705000

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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McLeod RST Street Twin Clutch Kits for 2009-2021 CHALLENGER - 6344907

Clutch Kit, RST, Billet Aluminum Flywheel, Mopar, 5.7L-6.4L, 1-1/8 x 26, 130 Tooth, Kit

Part Number: MCL-6344907

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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South Bend Clutch Dyna Max Street Dual Disc Clutch Kits SDD3250-GK

Clutch Kit, Street Dual, Clutch, Pressure Plate, Flywheel, Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-SDD3250-GK

4.84 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

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McLeod StreetPro Clutch Kits 75124

Clutch Kit, StreetPro, Organic, 1 1/8 in.- 10-Spline, 11 in. Disc, Chevy, , Oldsmobile, Pontiac, Kit

Part Number: MCL-75124

4.5 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

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McLeod RST Street Twin Clutch Kits for 2018-2023 MUSTANG - 6333825

Clutch Kit, RST Street Twin, 9.688 in. Disc, 1 in. 23 Spline, Ford, Kit

Part Number: MCL-6333825

5.0 out of 5 stars ( 1 )

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TransGo Performance Shift Kits 4L80E-HD2

Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.63 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

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Summit Racing™ High Performance 30-Spline TH400 Transmission Rebuild Kit SUM-705021

Automatic Transmission Rebuild Kit, Kolene Steels, GM, TH400, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705021

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Sonnax Zip Kits 6L45-6L90-ZIP

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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McLeod RST Street Twin Clutch Kits 6912-07

Clutch Kit, RST Street Twin, 1 1/8 in. x 26-Spline, 9.687 in. Diameter, LS1/LS6/Mustang 11 in. Pressure Plate Pattern w/Dowels, Chevy, Ford, Kit

Part Number: MCL-6912-07

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Richmond Gear Complete Ring and Pinion Installation Kits 83-1021-1

Ring and Pinion Installation Kit, GM, 8.5 in., 8.6 in., 10-Bolt, Spline Pinion, Kit

Part Number: RMG-8310211

4.25 out of 5 stars ( 40 )

Estimated Ship Date: Tomorrow

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McLeod StreetPro Clutch Kits for 1986-2001 MUSTANG - 75105

Clutch Kit, StreetPro, Organic, 1 1/16 in.- 10-Spline, 10.5 in. Disc, Ford, Kit

Part Number: MCL-75105

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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South Bend Clutch Dyna Max Organic Clutch Kits G56-OK-HD

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-G56-OKHD

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Summit Racing™ High Performance 30-Spline 700R4 Transmission Rebuild Kit SUM-705023

Automatic Transmission Rebuild Kit, Kolene Steels, GM, 700R4, Lockup, 30-Spline, Kit

Part Number: SUM-705023

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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