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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.

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Individual Parts

Results 1 - 25 of 1560

ACCORDION SPRINGS SET OF 100

Part Number: SOX-CH-S-1A

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Driveshaft Center Support Bearing; Center Bearing Support; Direct Replacement For OEM Pedestal Style Center S

Part Number: IED-IE210527XS

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Differential Pinion Nuts, Standard Replacement, Ford Super 8.8 in. and 9.75 in., GM 7.6 in. IRS and 8.6 in. IRS, Each

Part Number: MGR-N811024S100

Not Yet Reviewed

Estimated Ship Date: Today

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Clutch Kit, Stage 3 Endurance, Single, 1.000 in. - 23-spline, Kevlar® Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1003

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

Clutch Kit, Stage 3 Drag Race, Single, 1.000 in. - 23-spline, Ceramic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1004

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

Clutch Kit, Stage 1 Heavy-Duty, Single, 1.031 in. - 23-spline, Organic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1009

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

Clutch Kit, Stage 3 Drag Race, Single, 1.000 in. - 23-spline, Ceramic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1005

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

Clutch Kit, Stage 3 Daily Driver, Single, 1.000 in. - 23-spline, Organic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1000

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

Clutch Kit, Stage 3 Endurance, Single, 1.130 in. - 23-spline, Kevlar® Disc, Pressure Plate, Porsche, 3.6L, 3.8L, Kit

Part Number: SBB-S1007

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

Clutch Kit, Stage 3 Endurance, Single, 1.000 in. - 23-spline, Kevlar® Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1002

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

Clutch Kit, Stage 3 Daily Driver, Single, 1.000 in. - 23-spline, Organic Disc, Pressure Plate, Porsche, 3.6L, Kit

Part Number: SBB-S1001

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

Clutch Kit, Stage 3 Daily Driver, Single, 1.130 in. - 23-spline, Organic Disc, Pressure Plate, Porsche, 3.6L, 3.8L, Kit

Part Number: SBB-S1006

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

Clutch Kit, Stage 3 Drag Race, Single, 1.130 in. - 23-spline, Ceramic Disc, Pressure Plate, Porsche, 3.6L, 3.8L, Kit

Part Number: SBB-S1008

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

Hub Assembly LS,S-Type,Thunderbird 00-08

Part Number: FWB-102207

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Differential Carriers AirLocker, DANA 44, 35SPL, 3.73&DN, S/N.........

Part Number: ARB-RD147

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

Spider Gear Kit, Open Differential, Dana 44, 30 Spline, Kit

Part Number: YGA-16077

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wheel Hub, Steel, Natural, Jeep, Each

Part Number: CWA-S437

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Spider Gear Kit, Open Differential, Dana 60/61, 35 Spline, Kit

Part Number: YGA-16085

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

Differential Cover, 10-bolt, Steel, Natural, Ford 8.8 in., Each

Part Number: YGA-32328

Not Yet Reviewed

Estimated Ship Date: Today

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Differential Carrier, Open, Ford 8.8 in., 31 Spline, Complete w/Spider Gears, Each

Part Number: YGA-20070

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Spider Gear Kit, Open Differential, Dana 60, 30 Spline, Kit

Part Number: YGA-16009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Carrier Rebuild Kits, Spider Gear Kit, Spider Gears, Side Gears, Thrust Washer, Cross Shaft Pin, Ford, 9 in., 31 Spline Axles, Kit

Part Number: YGA-16034

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

9" FORD 31spl S/G W/ HUB

Part Number: YGA-16161

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

Crosspin, Replacement, Steel, Spartan, Short, Rear, Ford 9 in., Each

Part Number: SPZ-17022

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

9" FORD 31spl S/G W/O HUB, T/L, FLAT

Part Number: YGA-16162

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