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.

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

Holley Sniper Automatic Transmission Controllers 551-103

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

Part Number: SNE-551-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Summit Racing™ Automatic Transmission Controllers SUM-240516

Transmission Control, Ford, AOD-E, Kit

Part Number: SUM-240516

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Not Available

MSD Atomic Transmission Control Modules 2760

Automatic Transmission Controller, Atomic, Chevy, Ford, Lincoln, Mercury, Each

Part Number: MSD-2760

3.74 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

TCI Wireless EZ-TCU Transmission Controllers 302600

TCI Wireless EZ-TCU Transmission Controllers 302600

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

Part Number: TCI-302600

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Chevrolet Performance Automatic Transmission Controllers 19302405

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

Part Number: NAL-19302405

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

DIYAutoTune MicroSquirt CAN Transmission Controllers MS3Ph-Trans_4L80-PKG

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

Part Number: DIY-S0030

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Haltech Nexus Ti4L Transmission Interface Kits HT-196001

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

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Chevrolet Performance Automatic Transmission Controllers 19302410

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

Part Number: NAL-19302410

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Classic Instruments Gear Selector Sending Unit Kits SN46Z

Control Module, Shift Indicator, Steel/Plastic, Automatic, Mopar, Ford, GM, Kit

Part Number: CIN-SN46Z

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Lokar Indicator Control Modules CINS-1797

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: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

FiTech Go Shift Transmission Controllers 20011

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

Part Number: FIF-20011

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

GearStar Quick4 Transmission Controllers GSUSQ44L80/85

Automatic Transmission Controller, Quick4, Chevy, 4L80-E, 4L85-E, Kit

Part Number: GES-GSUSQ44L8085

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

American Powertrain Reverse Lockout Modules ELUN-10013

Reverse Lockout Module, Ford/Chevy T-56, Tremec Magnum, 6-Speed, Each

Part Number: AWR-ELUN-10013

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Lokar Indicator Control Modules CINS-1798

Auto Trans Shift Indicator; Cable Operated Sensor Kit; For Ford AOD

Part Number: LOK-CINS-1798

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

TCI TCU 2.0 Automatic Transmission Controllers 30383-KIT

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

Part Number: TCI-30383-KIT

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

MSD Atomic Transmission Control Modules 2762

Automatic Transmission Controller, Atomic, Handheld Unit Only GM, Ford, Lincoln, Mercury, Each

Part Number: MSD-2762

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Banks Power Transcommand Transmission Management Kits 62560

Transmission Controllers, TransCommand, Ford, E4OD, Automatic, Kit

Part Number: GBE-62560

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

PPE Automatic Transmission Fluid Control Valves 319080000

Transmission Coolant Thermal Bypass Valve

Part Number: PPE-319080000

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

B&M Powerswitches for Clutch Converters 80217

Automatic Transmission Controllers, Converter Lockup, Buick, Chevy, GMC, Oldsmobile, Pontiac, 700R4, 200-4R

Part Number: BMM-80217

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

FAST EZ-TCU Automatic Transmission Controllers 30282-KIT

Automatic Transmission Controller, EZ-TCU, Kit

Part Number: FST-30282-KIT

4.6 out of 5 stars ( 5 )

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Need It Sooner? We recommend these similar substitute parts:

DIYAutoTune MicroSquirt CAN Transmission Controllers MS3Ph-Trans_4L80-PKG

2.75 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026

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Fleece Performance TapShifters FPE-TAPSHIFTER35

Automatic Transmission Controller, TapShifter, Chevy, GMC, Allison 1000, Kit

Part Number: FLE-S0054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Sonnax Automatic Transmission Electro-Hydraulic Control Modules GM6LTEHCMC6

*REMAN TEHCM

Part Number: SOX-GM6LTEHCMC6

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Dorman Transmission Control Modules 599-120

Remanufactured Transmission Control Module

Part Number: RNB-599-120

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Dorman Transmission Control Modules 609-009

Remanufactured Transmission Electro-Hydraulic Control Module, Buick, Cadillac, Chevy, GMC, Each

Part Number: RNB-609-009

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Call to Order

ATS Diesel Performance Co-Pilot Automatic Transmission Controller Kits for 1998-2002 RAM 2500, RAM 3500 - 601-900-2218

Automatic Transmission Controller, ATS Diesel Performance Co-Pilot Transmission Controller Kits, Dodge, Each

Part Number: APF-6019002218

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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