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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 148

Seal DJ3,DJ5,DJ6,Jeepster 62-71

Part Number: FWB-SS2328

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

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-LM501349

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hub Service Kit, Premium, International, Jeep, Kit

Part Number: WRN-7300

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Bearing, Differential Carrier, Kit

Part Number: TMK-SET45

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Filter, Gaskets, TH350, Buick, Cadillac, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Kit

Part Number: ADO-TF171

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Clutch Disc, Street, 200 Series, 1 1/8 in.- 10-Spline, 10.50 in. Disc, Each

Part Number: RAM-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Manual Transmission Overhaul Kit, Master, Bearings, Seals, Gaskets, Blocking Rings, T90, Jeep, Kit

Part Number: CWA-T90MASKIT

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Modulator Valve, GM, TH300, TH350, TH400, Each

Part Number: ATP-JX66

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Tapered Roller Bearing, 1.625 in. I.D., 2.891 in. O.D., Steel, Each

Part Number: FWB-103124

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Filter, GM, Rolls-Royce, TH400, Kit

Part Number: ATP-B29

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Clutch Slave Cylinder, Push Type, Steel, Natural, 7/16-24 in. Inlet Size, Kit

Part Number: ADD-716116

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Differential Pinion Bearing, 1.125 in. Inside Diameter, Each

Part Number: TMK-02872

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Shifters, T90 Transfer Case Dual Handle Shifters, Front Shift Knob Included, International, Jeep, Willys, Kit

Part Number: ADD-920000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Clutch Pilot Bushing, Solid, Powdered Metal, Each

Part Number: RNB-14650

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Differential Pinion Bearing, 1.375 in. Inside Diameter, Each

Part Number: TMK-HM88649

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wheel Bearing Race, Steel, 0.5625 in. Width, 2.4409 in. O.D., Dodge, Ford, International, Jeep, Toyota, Each

Part Number: TMK-15245

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Automatic Transmission Filter, TH400, AM General, Buick, Cadillac, Checker, Chevy, Ferrari, GMC, Jaguar, Each

Part Number: ADO-TF231

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each

Part Number: TMK-M86610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Bearing Housing, Taper Bearing Cup, Steel, 0.625 in. Width, 2.717 in. O.D., Each

Part Number: TMK-14276

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Transmission Filter, Replacement, Each

Part Number: WIX-58878

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Today

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