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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Results 1 - 25 of 2000 +

GUNI Wheel X Center Hubs GUNIX45-HUB

GUNI Wheel X 45 Center Hub Only (Orange), Each

Part Number: GUN-GUNIX45-HUB

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

South Bend Clutch Alignment Tools ATFL10 - ALIGNMENT TOOL

Clutch Alignment Tool, 10 Spline, Plastic, Black, Ford, Superduty, 7.3L, 6-Speed, Each

Part Number: SBB-S0490

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

GUNI Wheel X Center Hubs GUNIX6120-HUB

GUNI Wheel X 6120 Center Hub Only (Blue), Each

Part Number: GUN-GUNIX6120HUB

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

South Bend Clutch Alignment Tools LT130 - ALIGNMENT TOOL

Clutch Alignment Tool, 10 Spline, Plastic, Black, Chevrolet, GMC, 6.6L, LB7, Each

Part Number: SBB-S0311

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

GUNI Wheel X Center Hubs GUNIX56-HUB

GUNI Wheel X 56 Center Hub Only (Red), Each

Part Number: GUN-GUNIX56-HUB

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

OTC Clutch Spider Nut Sockets 4988

Clutch Puller Tools, Spider Nut Socket, Polaris, Each

Part Number: OTC-4988

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

EPI Clutch Puller Tools 11-11501

Clutch Puller, EPI CLUTCH PULLER POL 550 S/M

Part Number: ERL-PCP-19

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Sierra Marine Drive Shimming Tools 18-2296

Marine Drive Unit Components, Shim, 0.055 in. Thick, Each

Part Number: RRA-18-2296

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Sierra Marine Bearing Carrier Retainer Tools 18-0227

Marine Drive Unit Components, Shim, Bearing Carrier Shim, 0.003 in. Thick, Green, Each

Part Number: RRA-18-0227

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

ARB Differential Carrier Shim Installation Drivers 770004

Tool, Differential Carrier Shim Installation Driver, Steel, Each

Part Number: ARB-0770004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

JR Race Car Shockwave Clutch Removal Tools 545-5001

Shockwave Spider Tool, Jr. Dragster, Each

Part Number: JRC-545-5001

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

JR Race Car Shockwave Clutch Removal Tools 545-5105

Shockwave Overdrive Removal Tool, Jr. Dragster, Each

Part Number: JRC-545-5105

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sonnax Valve Body Reaming Fixtures VB-FIX

Transmission Drill Fixture Tools, Valve Body Reamer, Includes Hardware, Kit

Part Number: SOX-VB-FIX

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

GUNI Wheel X Center Hubs GUNIX80-HUB

GUNI Wheel X 80 Center Hub Only (Black), Each

Part Number: GUN-GUNIX80-HUB

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACT Clutch Alignment Tools for 1993-1998 SUPRA - AT70

Clutch Alignment Tool, 1.250 in. Diameter, 14-Spline, Toyota, Plastic, Black, Each

Part Number: ACL-AT70

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

JR Race Car Clutch Belt Alignment Tools 545-5005

Clutch Belt Alignment Tool, Designed for Any Shockwave Clutch and Billet Driven, Each

Part Number: JRC-545-5005

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Motion Pro Sprocket Jammer Tools 08-0642

SPROCKET JAMMER

Part Number: MNP-08-0642

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

South Bend Clutch Dyna Max Organic Clutch Kits for 2001-2005 RAM 2500, RAM 3500 - 1947-OKHD

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-1947-OK-HD

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sonnax Pressure Switch Rebuild Installation Tool Kits 124740-TL70

Automatic Transmission Rebuild Components, Pressure Switch Rebuild Install Tool Kit, 6L45, 6L50, 6L80, 6L90, 6T70, 6T75, Kit

Part Number: SOX-124740-TL70

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

TransGo Oversized Pressure Regulator Reamer Tools 4L60E-PR-TK

Specialty Components, 4L60E, 4L65E, 4L70E Reamer/Guide for Oversize Pressure Regulator Valve

Part Number: TRG-4L60E-PR-TK

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

South Bend Clutch Dyna Max Organic Clutch Kits 13125-OK-HD

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-13125-OKHD

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

All Balls Racing EZ Trail XL CV Boot/Tool Kits 21-95038

CV Boot, EZ Trail XL CV Boot/Tool Kit, Rubber Boot, Clamps, Kit

Part Number: ALB-19-5038

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

South Bend Clutch Dyna Max Organic Feramic Clutch Kits 1944-6OFEK

Clutch Kit, OrganicFeramic, Clutch, Pressure Plate, Flywheel, Bearing, Alignment Tool, Hardware, Ford, Kit

Part Number: SBB-1944-6OFEK

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sierra Marine Drive Shimming Tools 18-2283

Marine Drive Unit Components, Shim, Kit

Part Number: RRA-18-2283

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Sierra Marine Drive Shimming Tools 18-2282

Marine Drive Unit Components, Shim, Kit

Part Number: RRA-18-2282

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

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