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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.

Individual Parts

Results 1 - 25 of 1373

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shifter Regulator, CO2 Regulator Kit, 100 lb. Preset, with 1/4 in. Line, Fitting, 10 oz. Bottle, for Throttle Stop, 2 Speed Shift Systems, Kit

Part Number: SBR-BK100E

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Automatic Transmission, Remanufactured, Super StreetFighter, Forward Shift Pattern, Automatic/Manual Valve Body, Ford, Small Block, Cleveland, Each

Part Number: TCI-411405

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, AOD, Kit

Part Number: LOK-KD2AODHT

4.89 out of 5 stars ( 54 )

Estimated Ship Date: Today

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Differential Cover, Ford 9.75 in. Axle, Nodular Iron, Silver Hammertone Powedercoated, Each

Part Number: SDH-10023539

4.64 out of 5 stars ( 42 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.73:1 and Down Only, Dana 44, Each

Part Number: ETN-913A589

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Shifters, Automatic Transmission, Quick Silver, Ratchet Shifter, 12.23 in. Long Chrome Stick, Black/Chrome Plastic Console, GM, Mopar, Ford, Kit

Part Number: BMM-80683

4.5 out of 5 stars ( 101 )

Estimated Ship Date: Today

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, Small/Big Block, Kit

Part Number: MCL-6911-07

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Shifter, Automatic Transmission, Pro Ratchet, 3-, or 4-Speed, Forward or Reverse Pattern, Aluminum Cover, Ford, GM, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80842

4.71 out of 5 stars ( 73 )

Estimated Ship Date: Today

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Automatic Transmission, Remanufactured, Super StreetFighter, Automatic, Manual Valve Body, Ford, C6, 351M, 400, 429, 460, Each

Part Number: TCI-411205

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Clutch Kit, StreetPro, Organic, 1 1/16 in.- 10-Spline, 11 in. Disc, Ford, V8, Kit

Part Number: MCL-75112

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 31-Spline, Ford 9 in., Each

Part Number: ETN-913A586

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Wheel Bearing, Front, Each

Part Number: TMK-SET6

4.85 out of 5 stars ( 40 )

Estimated Ship Date: Today

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.687 in. Diameter Disc, Chevrolet, Ford, Kit

Part Number: MCL-6913-07

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, C-6, Kit

Part Number: LOK-KD-20C6HT

4.73 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Flywheel, Steel, 157-tooth, 25.0 lbs., 28/50 oz. Balance, 13.294 in. Dia., SFI 1.1, Ford,260, 289, 302, Each

Part Number: MCL-463100

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flywheel, Aluminum, 157-Tooth, Int/Ext Balance, Ford, Small Block Windsor, .28/.50 oz. Weight Included, Each

Part Number: MCL-563100

Not Yet Reviewed

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, V8, Kit

Part Number: MCL-6921-07

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Automatic Transmission Pan, Deep, Aluminum, Natural, Ford, C-6, Each

Part Number: TCI-428000

4.07 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Automatic Shifter, Hammer Shifter, Chevy, Mopar, Ford, Each

Part Number: BMM-80885

4.43 out of 5 stars ( 63 )

Estimated Ship Date: Today

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Axle Bearing, 2.530 in. O.D., Each

Part Number: YGA-10001

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Dura Grip Positraction Carrier, Traction-Loc, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-26006

3.75 out of 5 stars ( 8 )

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Differential Covers, Differential Cover Kits, Dana 44, 10-bolt, Nodular Iron, Silver Hammertone Powdercoated, Bolts, Gaskets, Kit

Part Number: SDH-10023536

4.95 out of 5 stars ( 22 )

Estimated Ship Date: Today

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