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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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 39

15 HEADER BOLT KIT W/GASKET

Part Number: JRC-322-4018

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

HEADER WEDGE & ADAPTER BOLT KIT

Part Number: JRC-322-5005

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Transmission Dipstick, Braided Stainless Steel, Black Housing, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD-34L80TM

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 4L60E, Each

Part Number: LOK-TD-34L60ETM

4.2 out of 5 stars ( 5 )

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Transmission Dipstick, Braided Stainless Steel, Black, Bellhousing Mount, Chevy, 4L60E, Each

Part Number: LOK-XTD-34L60ETM

5.0 out of 5 stars ( 1 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, TH350, Each

Part Number: LOK-TD-3350TM

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Transmission Dipstick, Braided Stainless, Polished Billet Aluminum, GM TH350, Push-In Style, Each

Part Number: TRD-8138

4.0 out of 5 stars ( 7 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, C-4, Case Fill, Each

Part Number: LOK-TD-30C4TM

3.0 out of 5 stars ( 4 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, TH400, Each

Part Number: LOK-TD-3400TM

3.67 out of 5 stars ( 3 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, C-6, Each

Part Number: LOK-TD-30C6TM

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 4L60, Each

Part Number: LOK-TD34L60TM

5.0 out of 5 stars ( 1 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, AOD, Each

Part Number: LOK-TD-3AODTM

4.8 out of 5 stars ( 5 )

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 4L80E, Each

Part Number: LOK-TD-34L80TM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, Torqueflite 727, Each

Part Number: LOK-TD-3727TM

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless, Aluminum, Natural, Polished, Chevy, 700R4, Each

Part Number: TRD-8140

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless, Polished Billet Aluminum, GM TH400, Push-In Style, Each

Part Number: TRD-8139

1.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 700R4, Each

Part Number: LOK-TD-3700TM

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Transmission Dipstick, Black, Braided Stainless Steel, Bellhousing Mount, Chevy, 700R4, Each

Part Number: LOK-XTD-3700TM

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, C-4, Pan-Fill, Each

Part Number: LOK-TD-30C4TMPAN

4.33 out of 5 stars ( 3 )

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Transmission Dipstick, Braided Stainless Steel, Black, Black Handle, Bellhousing Mount, Chrysler, 45RFE, Each

Part Number: LOK-XTD-345RFETM

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Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, Chrysler 518, Each

Part Number: LOK-TD-3518TM

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Transmission Dipstick, Braided Stainless Steel, Black, Black Handle, Bellhousing Mount, Chrysler, 727, Each

Part Number: LOK-XTD-3727TM

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Transmission Dipstick, Black, Braided Stainless Steel, Ford, Lincoln, Mercury, AOD, Bellhousing Mount, Each

Part Number: LOK-XTD-3AODTM

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

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Estimated Ship Date: Nov 18, 2025 if ordered today

Transmission Dipstick, Braided Stainless Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: LOK-XTD-3400TM

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Transmission Dipstick, Braided Stainless, Black, Black Handle, Chevy, 200-4R, Each

Part Number: LOK-XTD-3200RTM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

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