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 386

Bowler Performance All-in-One Transmission Wiring Harnesses 7100000

Transmission Harness, All-In-One Transmission Wiring Harness, Manual, T-56, Ford, GM, Each

Part Number: BTM-7100000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Z Automotive Jeep JL/JT Z-Locker OEM Controller Harnesses for 2020-2022 GLADIATOR, 2018-2021 WRANGLER - Z_LKR_OEM

Wiring Harness, Jeep JL/JT Z-Locker OEM Controller Harness, for Use with OEM Lockers, Jeep, Each

Part Number: ZAU-Z-LKR-OEM

5.0 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Bowler Performance All-in-One Transmission Wiring Harnesses for 2010-2023 CAMARO - 7100002

Transmission Harness, All-In-One Transmission Wiring Harness, Manual, Chevrolet, Each

Part Number: BTM-7100002

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

ICT Billet Automatic Transmission Adapter Wiring Harnesses WATRA30-18

Automatic Transmission Conversion Wiring Harness, GM, 4L60E to 4L80E, 5.3L, 5.7L, 6.0L, Each

Part Number: ICB-WATRA30-18

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

ACDelco GM Genuine Parts Automatic Transmission Wiring Harnesses 24229665

Automatic Transmission Wiring Harnesses, GM Genuine Parts, Chevrolet, Pontiac, Saturn, Each

Part Number: ADO-24229665

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

TCI TCU Transmission Wiring Harnesses 377100

TCI TCU Transmission Wiring Harnesses 377100

Harness TCU Distributor

Part Number: TCI-377100

Not Yet Reviewed

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Z Automotive Jeep JL/JT Z-Locker Controller Harnesses for 2020-2022 GLADIATOR, 2018-2021 WRANGLER - Z_LKR_CTLR

Wiring Harness, Jeep JL/JT Z-Locker Controller Harness, for Use with Aftermarket E-Lockers or Air Lockers, Jeep, Each

Part Number: ZAU-Z-LKR-CTLR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Z Automotive Jeep JL/JT Z-Locker Extension Harnesses for 2020-2022 GLADIATOR, 2018-2021 WRANGLER - Z_LKR_EXT

Z Locker extension wire for air lockers

Part Number: ZAU-Z-LKR-EXT

Not Yet Reviewed

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

ATP Automatic Transmission Wiring Harnesses JE-58

Automatic Transmission Wiring Harnesses, Replacement, Buick, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ATP-JE-58

Not Yet Reviewed

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ATP Automatic Transmission Wiring Harnesses for 2009 TRAILBLAZER - JE-59

Automatic Transmission Wiring Harnesses, Replacement, 4L70E, Chevrolet, 6.0L, Each

Part Number: ATP-JE-59

Not Yet Reviewed

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ATP Automatic Transmission Wiring Harnesses RE-80

Automatic Transmission Wiring Harnesses, Replacement, Audi, Mini, Volkswagen, Each

Part Number: ATP-RE-80

Not Yet Reviewed

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ATP Automatic Transmission Wiring Harnesses RE-79

Automatic Transmission Wiring Harnesses, Replacement, Audi, Mini, Volkswagen, Each

Part Number: ATP-RE-79

Not Yet Reviewed

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Hughes Performance Automatic Transmission Conversion Wiring Harnesses 25-120

Automatic Transmission Conversion Wiring Harness, GM, 4L80E, Each

Part Number: HUP-25-120

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

ATP Automatic Transmission Wiring Harnesses HE-17

Automatic Transmission Wiring Harnesses, Replacement, for use on Acura®, for use on Honda®, Each

Part Number: ATP-HE-17

Not Yet Reviewed

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