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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.

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Spidertrax Off-Road Oil Seals SLI400D

High Performance Outboard Oil Seal Kit (For 4" Spider 9)

Part Number: SDR-SLI400D

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

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700922

Clutch Kit, Street-Strip Performance, 1 in. Shaft, 23-Spline, 10.5 in. Organic/Ceramic Disc,Mopar, Kit

Part Number: SUM-700922

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Lokar Hi-Tech Kickdown Kits KD-2727HT

Lokar Hi-Tech Kickdown Kits KD-2727HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Torqueflite 727, Kit

Part Number: LOK-KD-2727HT

4.62 out of 5 stars ( 58 )

Estimated Ship Date: Tomorrow

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McLeod StreetPro Clutch Kits 75109

Clutch Kit, StreetPro, Organic, 1 in.- 23-Spline, 10.5 in. Disc, Chrysler, Dodge, Plymouth, Kit

Part Number: MCL-75109

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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McLeod Super StreetPro Clutch Kits 75209

Clutch Kit, Super StreetPro, Organic, Ceramic, 1.0 in. Diameter Shaft, 23-Spline, 10.5 in. Diameter Disc, Kit

Part Number: MCL-75209

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Timken Differential Bearings SET45

Bearing, Differential Carrier, Kit

Part Number: TMK-SET45

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Timken Wheel Bearings LM104949

Wheel Bearing, Front Inner, Chevy, GMC, Jeep, Dodge, Ford, Plymouth, Each

Part Number: TMK-LM104949

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets C9.25-392 Chrysler 9.25 in. 3.92 Gears

Ring and Pinion, Chrysler 9.25 in., 3.92:1 Ratio, Standard Rotation, Set

Part Number: MGR-C9-25-392

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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ACDelco Driveshaft Center Support Bearings 19312071

Driveshaft Support Carrier Bearings, Replacement, Checker, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Olds, Plymouth, Studebaker, Each

Part Number: ADO-HB88107A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Timken Wheel Bearings SET38

Wheel Bearing, Each

Part Number: TMK-SET38

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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FTI Performance SR Series 2,800-3,000 Stall Torque Converter SRC30828

MOPAR TORQUE CONVERTER, TF8, 727, NON LOCK UP 2800-3000 STALL

Part Number: FTI-SRC30828

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Timken Differential Bearings 387A

Differential Carrier Bearing, Steel, 2.250 in. Diameter, Chevy, GMC, Dodge, Ford, International, Jeep, Each

Part Number: TMK-387A

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Timken Differential Bearings LM501349

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: Tomorrow

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Timken Taper Bearing Cups 382A

Bearing Race, Steel, 3.813 in. O.D., 0.625 in. Width, Outer Wheel, Each

Part Number: TMK-382A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Cover Kits 10024090

Differential Cover, Nodular Iron, Dana 60, Gray, Kit

Part Number: SDH-10024090

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Lokar Hi-Tech Kickdown Kits KD-2727U

Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, Mopar, Torqueflite 727, Kit

Part Number: LOK-KD-2727U

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Tomorrow

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FTI Performance SR Series 3,000-3,200 Stall Torque Converter SRC00828

MOPAR TORQUE CONVERTER, TF8, 727, NON LOCK UP 3000-3200 STALL

Part Number: FTI-SRC00828

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Timken Axle Bearings 25590

Axle Bearing, Each

Part Number: TMK-25590

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-3727FM

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

Part Number: LOK-TD-3727FM

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Timken Wheel Seals 4250

Wheel Bearing Seal, Dodge, Plymouth, Ford, Mazda, Each

Part Number: TMK-4250

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Spicer Drivetrain Products Differential Pinion Nuts 30271

Pinion Nut, Steel, 7/8 in.-14 Thread, Each

Part Number: SDH-30271

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Timken Taper Bearing Cups 25520

Bearing Cup, Axle, 3.265 in. Outside Diameter, 0.750 in. Width, Each

Part Number: TMK-25520

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets D60-354 Dana 60 3.54 Gears

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: MGR-D60-354

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2727HT

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, Chrysler, Torqueflite 727, Kit

Part Number: LOK-XKD-2727HT

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow