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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 - 21 of 21

TAPER CONE

Part Number: TMK-645

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Automatic Transmission Shifter Cable, Gearshift Control Cable

Part Number: RNB-905-645

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Rear Drive Shaft Assembly

Part Number: RNB-936-645

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Driveshaft, Balanced, Assembled, Rear, Steel, Length 106.850 in., Diameter 3.500 in., Ford, Each

Part Number: RNB-946-645

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-976-645

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

T-5 COVERSION KIT "E" (4PART KIT)

Part Number: CPO-TRA-645-428

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

SINGLE RAM TUBE SEAL

Part Number: SIT-SSI645SILVER

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

MASTER CYLINDER SUBARU:FORESTER 09-13

Part Number: LUK-LMC645

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

6 CYL T-5 COVERSION KIT "F"

Part Number: CPO-TRA-066-645

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

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Estimated Ship Date: Aug 14, 2025 if ordered today

64-65 T-5 ADAPTER PLATE KIT, FOR 5 BOLT EARLY MODEL BELLHOUSING

Part Number: CPO-TRA-645-423

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 14, 2025 if ordered today

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Estimated Ship Date: Aug 14, 2025 if ordered today

Flywheel, Forged Steel, Ultra Light, 9.650 lbs., Mitsubishi, Each

Part Number: CCX-2-645-STU

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

Flywheel, Forged Steel, Ultra Light, 11.000 lbs., Mitsubishi, Each

Part Number: CCX-2-645-1STU

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

1964-1965 MUSTANG EARLY MODEL 5 BOLT BELLHOUSING, USED ON T5 TRANSMISSION CONVERSION

Part Number: CPO-TRA-645-420

Not Yet Reviewed

Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

Pressure Plate, Replacement, Mitsubishi 9-1/2 in.

Part Number: CCX-3-645

Not Yet Reviewed

Estimated Ship Date: Aug 29, 2025 if ordered today

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Estimated Ship Date: Aug 29, 2025 if ordered today

Automatic Transmission Shifter Cable, Black Jacket, 60.50 in. Length, Buick, Chevy, Pontiac, Each

Part Number: ATP-Y645

Not Yet Reviewed

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Clutch Kit, Stage 5, Sintered Iron, Full Faced/Unsprung Hub, Ford, Kit

Part Number: SXC-SF645

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Clutch Kit, Stage 5, Sintered Iron, Full Face/Unsprung Hub, Porsche, Kit

Part Number: SXC-SP645

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

CLUTCH DISC

Part Number: SXR-SD645

Not Yet Reviewed

Estimated Ship Date: Aug 29, 2025 if ordered today

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Estimated Ship Date: Aug 29, 2025 if ordered today

TAPER CONE

Part Number: TMK-6455

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

TAPER CONE

Part Number: TMK-6454

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

BUSHING - FRONT PUMP - BABBIT

Part Number: ATI-645140

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

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Estimated Ship Date: Aug 19, 2025 if ordered today

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