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.

Individual Parts

Part Groups

Results 1 - 24 of 24

Cardone Remanufactured CV Drive Axles 60-2179

Axle Shaft, CV-Style, Replacement, Each

Part Number: AAZ-60-2179

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

RAM Clutches Clutch Kits 75-2179S

CLUTCH KIT

Part Number: RAM-75-2179S

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

United Pacific Shifter Shaft Extensions 21792

shifter shaft extension, CHROME 6" SHIFTER SHAFT EXTENSION

Part Number: UPD-21792

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

United Pacific Shifter Shaft Extensions 21794

Shifter Stick Extension, 18 in. Long, 1/2 in.-13 Thread, Steel, Chrome, Each

Part Number: UPD-21794

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

United Pacific Shifter Sticks, Manual Transmission 21797

Shifter Shaft, 18" SHIFTER SHAFT EXTENDER - GLOSSY BLACK

Part Number: UPD-21797

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

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Estimated Ship Date: Aug 27, 2025 if ordered today

United Pacific Shifter Shaft Extensions 21793

Shifter Shaft Extension, Steel, Chrome, 12 in. Length, 1/2 in.-13 Thread, Each

Part Number: UPD-21793

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

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Estimated Ship Date: Aug 27, 2025 if ordered today

United Pacific Shifter Sticks, Manual Transmission 21796

Shifter Shaft, 12" SHIFTER SHAFT EXTENDER - GLOSSY BLACK

Part Number: UPD-21796

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

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Estimated Ship Date: Aug 27, 2025 if ordered today

United Pacific Shifter Sticks, Manual Transmission 21799

shifter shaft ,18" SKULL SHIFTER SHAFT EXTENDER THREAD 13 - 1" LONG

Part Number: UPD-21799

Not Yet Reviewed

Estimated Ship Date: Aug 27, 2025 if ordered today

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Estimated Ship Date: Aug 27, 2025 if ordered today

Boss Hog Wild Boar Outlaw 2,800-3,200 Stall Torque Converter 21794

Torque Converter, Wild Boar Outlaw, 9.6 in. Diameter, 2,800-3,200 Stall, Ford, FMX, Each

Part Number: APE-21794

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Boss Hog Wild Boar Outlaw 3,200-3,500 Stall Torque Converter 21795

Torque Converter, Wild Boar Outlaw, 9.6 in. Diameter, 3,200-3,500 Stall, Ford, FMX, Each

Part Number: APE-21795

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Boss Hog Wild Boar Outlaw 3,500-4,200 Stall Torque Converter 21796

Torque Converter, Wild Boar Outlaw, 9.6 in. Diameter, 3,500-4,200 Stall, Ford, FMX, Each

Part Number: APE-21796

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Boss Hog Wild Boar Outlaw 4,200-5,000 Stall Torque Converter 21797

Torque Converter, Wild Boar Outlaw, 9.6 in. Diameter, 4,200-5,000 Stall, Ford, FMX, Each

Part Number: APE-21797

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Yukon Gear & Axle 1541H Alloy Axles for 2009-2014 F-150 - YA F975012