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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Sonnax Front Pump Stud Kits 28711-03K

Automatic Transmission Rebuild Components, Front Pump Stud Kits, Oil Pump Stud Type, Powerglide, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: SOX-28711-03K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Transmission Fluid Dipsticks for 2001-2005 CIVIC - 917-314

Dipstick, Transmission, Steel, Rubber Handle, Yellow, 11.770 in. Length, for use on Honda®, Each

Part Number: RNB-917-314

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Sonnax Automatic Transmission Reverse Servo Spacers 34528-01K

Automatic Transmission Servo Kits, Reverse Servo Spacer, Steel, Natural Finish, with Spring, Washers, E-Clip, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34528-01K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Crown Automotive Axle C-Clips 5252505

Axle C-Clip, Steel, Natural, Dana 35, Each

Part Number: CWA-5252505

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Crown Automotive Axle C-Clips for 1994-1998 GRAND CHEROKEE - 4856344

Axle C-Clip, Steel, Natural, Dana 44, Each

Part Number: CWA-4856344

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Dorman Transmission Fluid Dipsticks 917-327

Transmission Fluid Dipstick, Tool for Checking Fluid Level Only, Not for Everyday use, Plastic Handle, Each

Part Number: RNB-917-327

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Banks Power Ram-Air Transmission Pans 35146-B

Transmission Pan, Ram-Air, Deep, Aluminum, Black, Finned, Allison 1000 Transmission, Chevy, GMC, Each

Part Number: GBE-35146-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Trail-Gear Assembled Super Finish Third Members 304633-1-KIT

Third Member Complete Assembly, Assembled 29-Spline Super Finish 3rd Members For Toyota 8" Axles- V6 5.29 ARB

Part Number: TGI-304633-1-KIT

Not Yet Reviewed