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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 327

Drive Shaft, Rear Driveshaft Assembly

Part Number: RNB-986-313

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

REAR DRIVESHAFT

Part Number: RNB-976-313

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

QBOSS REPLACEMENT AXLE

Part Number: QDB-TRM-PO-8-313

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Axle Shaft, 6 Ball Heavy Duty Axle

Part Number: ALB-AB6-PO-8-313

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Axle Shaft, 6 Ball Heavy Duty Axle

Part Number: ALB-AB6-YA-8-313

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

8 Ball Extreme Duty Axle, Rear

Part Number: ALB-AB8-CA-8-313

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Axle Shaft, 8 Ball Extreme Duty Axle

Part Number: ALB-AB8-PO-8-313

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

6 ball heavy duty axle rear

Part Number: ALB-AB6-CA-8-313

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Axle

Part Number: ALB-ABM-PO-8-313

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

CLUTCH RELEASE CABLE

Part Number: PIO-CA-313

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Rear Drive Shaft Assembly

Part Number: RNB-936-313

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

AUTO TRANS FILTER

Part Number: ATP-B313

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2026 if ordered today

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Estimated Ship Date: Aug 14, 2026 if ordered today

Clutch Basket, Billet Aluminum, Yamaha, ATV, Each

Part Number: HIN-H313

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transfer Case, 4WD NP241DHD T/C

Part Number: VRE-X313-6

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Clutch Kit, Stage 2 Plus, Carbon/Semi-Metallic/Kevlar®, Full Face/Sprung Hub, Porsche, Each

Part Number: SXC-SP313H

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

BEARING SEAL AND GASKET KIT

Part Number: MGR-T313R

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

SLAVE CYLINDER SC1, SC2, SL, SL1, SL2, SW2 00-02

Part Number: LUK-LSC313

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Transfer Case, 4WD NP241DHD T/C

Part Number: VRE-X313-1

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Transfer Case, 4WD NP241DHD T/C

Part Number: VRE-X313-8

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Bolts, Mopar Torque Converter to Flex Plate, .313 in.-24 x .438 in., Set of 4

Part Number: MRG-6718

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

M226 D44 for Nissan TITAN REAR '08&UP 3.13 R&P 24spl PINION

Part Number: YGA-24584

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rebuild Kit, Allison LCT-1000, Stage 6 Rebuild Kit

Part Number: APF-3139064308

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rebuild Kit, Allison LCT-1000, Stage 6 Rebuild Kit

Part Number: APF-3139064290

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Master Transmission Overhaul Kit - 1999-2002 Ford 4R100

Part Number: APF-3139203224

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Rebuild Kit, Allison LCT-1000, Stage 7 Rebuild Kit

Part Number: APF-3139074290

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today