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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.

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Individual Parts

Results 1 - 8 of 8

Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Transmission Dipstick, Firewall Mount, Locking, Polished Aluminum Handle, Tube, Chevy, 6L80, Kit

Part Number: BMM-22168

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Dipstick, Aluminum, Polished, GM, TH350, TH350C, Each

Part Number: BMM-22165

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

DRIVE SHAFT FLANGE YOKE

Part Number: SDH-2-2-1609

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

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

Part Number: MIL-22160

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Dipstick, Aluminum, Polished, GM, TH400, Each

Part Number: BMM-22166

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Seal N/A

Part Number: FWB-SS2216

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Trans-Brake Gaskets, Replacement, GM, TH400, Pair

Part Number: HUP-HP2216

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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