$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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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 91

Chromoly Axle Shaft Assembly Front Right Dana 60 SPL70 Builder Axle Compatible

Part Number: SDH-10004054

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle, Direct Fit, Front, 4340 Chromoly, 35-Spline, Jeep, Dana 60, Each

Part Number: ALY-10671

Not Yet Reviewed

Estimated Ship Date: Today

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Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking t

Part Number: YGA-11125

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

BUILDER KIT - 8 - BOLT TOGETHER - COMPLETE KIT LESS CONVERTER CORE

Part Number: ATI-408850K

Not Yet Reviewed

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PG, INTERNAL, CONV PRESS DUMP KIT, BUILDER INSTALL ONLY

Part Number: ATI-ATI206450

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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

BUILDER KIT - 8 - BOLT TOGETHER - 727

Part Number: ATI-729850K

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

BUILDER KIT - 9 - BOLT TOGETHER - 904 - 727

Part Number: ATI-729950K

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

IFS 4130 Chromoly Series 30 Outer Builder Bells (Pair)

Part Number: SDR-IFS017

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8-inch, 1/4-inch Wall

Part Number: TGI-306558-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8-inch, 3/8-inch Wall

Part Number: TGI-306559-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8-inch, E-Locker 1/4-inch Wall

Part Number: TGI-306560-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8-inch, E-Locker 3/8-inch Wall

Part Number: TGI-306561-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8.4-inch, 1/4-inch Wall

Part Number: TGI-306562-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing , Fabricated Front Axle Builder Kit - 8.4-inch, 3/8-inch Wall

Part Number: TGI-306563-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Fabricated Housing Builder Kit 1/4" Wall With 79-95 Flanges

Part Number: TGI-306063-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Fabricated Housing Builder Kit 1/4" Wall With 05+ Flanges

Part Number: TGI-306065-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Elocker Fabricated Housing Builder Kit 1/4" Wall With 79-95 Flanges

Part Number: TGI-306066-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Elocker Fabricated Housing Builder Kit 1/4" Wall With 05+ Flanges

Part Number: TGI-306068-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8.4" Fabricated Housing Builder Kit 1/4" Wall With 79-95 Flanges

Part Number: TGI-306069-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8.4" Fabricated Housing Builder Kit 1/4" Wall With 05+ Flanges

Part Number: TGI-306071-KIT

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Fabricated Housing Builder Kit 3/8" Wall With 79-95 Flanges

Part Number: TGI-306072-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Fabricated Housing Builder Kit 3/8" Wall With 05+ Flanges

Part Number: TGI-306074-KIT

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Elocker Fabricated Housing Builder Kit 3/8" Wall With 79-95 Flanges

Part Number: TGI-306075-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8" Elocker Fabricated Housing Builder Kit 3/8" Wall With 05+ Flanges

Part Number: TGI-306077-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Axle Housing, 8.4" Fabricated Housing Builder Kit 3/8" Wall With 79-95 Flanges

Part Number: TGI-306078-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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