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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 +

Automatic Transmission Controllers, Sniper 2 EFI, Controller and Power Harness, Kit

Part Number: SNE-551-103

Not Yet Reviewed

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Automatic Transmission Controllers, Sniper EFI, Standalone Kit, Carbureted Applications, Kit

Part Number: SNE-551-102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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GO Shift Electronic Transmission Control Kit GM, 4L60E, 4L65E, 4L80E, 4L85E, Kit

Part Number: FIF-20010

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controllers, Sniper EFI, Controller With Power Harness, Sniper 1 applications, Kit

Part Number: SNE-551-101

Not Yet Reviewed

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Transmission Controller, Chevy, 4L60E, 4L65E, 4L70E, Each

Part Number: NAL-19302405

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Transmission Controller, Wireless, Bluetooth, GM 4L60E, 4L65E, 4l70E, 4L80E, 4L85E, TCI 4X, 6X, Each

Part Number: TCI-302600

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controllers, CAN, Chevy, 4L60E, Each

Part Number: DIY-S0031

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Transmission Controller Components, Replacement, Control Box, TCU, up to 2009, EZ-TCU, GM, Each

Part Number: TCI-30282

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controllers, CAN, Chevy, 4L80E, Each

Part Number: DIY-S0030

2.67 out of 5 stars ( 3 )

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*REMAN TEHCM

Part Number: SOX-GM6LTEHCMC6

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controller, Go Shift, AODE, Ford, KIt

Part Number: FIF-20011

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controller, Interface Kit, Nexus Series, Ti4L, Rebel LS, GM, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, Kit

Part Number: HTH-HT-196001

Not Yet Reviewed

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Control Module, Shift Indicator, Billet Aluminum, GM, TH350/TH400/700R4/4L60, Kit

Part Number: LOK-CINS-1797

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controller, SuperMatic, GM, 4L60E, Kit

Part Number: NAL-19332775

Not Yet Reviewed

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Automatic Transmission Controller Component, Controller Cable, Hand-Held, Each

Part Number: FIF-60014

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controller, 4L80E, 4L85E, Chevy, Each

Part Number: NAL-19302410

Not Yet Reviewed

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RPM Module, Automatic Transmission Controller Component, Each

Part Number: TCI-170637

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Controller Component, Bluetooth Adapter, for Use Adapting the TCI EZ-TCU To Work with Bluetooth, GM, TCI, Each

Part Number: TCI-302611

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Control Cable, Marine Pro-X, 33C, Black Polyethylene Jacket, Threaded/Threaded Ends, 10-32 End Size, 12.00 ft. Length, Each

Part Number: EDM-PRO-33C12

Not Yet Reviewed

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Transmission Controller, TCU 2.0, Ford, 4R100, E4OD, 5R55E, Each

Part Number: TCI-30383-KIT

Not Yet Reviewed

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Control Module, Shift Indicator, Billet Aluminum, Ford, C4/C6, Kit

Part Number: LOK-CINS-1799

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Fluid Control Valve, Reduced Main Line Pressure to Converter Clutch, , GM Allison LLY, Kit

Part Number: TRG-A1-LU-BST-04

Not Yet Reviewed

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Accumulator Control Valve Kit, Ford E4OD, 4R100, Kit

Part Number: SOX-36948-13K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Fluid Control Valve, Reduced Main Line Pressure to Converter Clutch, , GM Allison LB7, Kit

Part Number: TRG-A1-LU-BST

Not Yet Reviewed

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