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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Spicer Drivetrain Products Front Axle Stubs 49991

Axle Shaft, Front Outer, 33-Spline, 6.77 in., Dana 44, Dodge, Ford, Mazda, Each

Part Number: SDH-49991

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Timken Pinion Bearing Races HM89410

Bearing Race, Differential Pinion, 3.000 in. Diameter, Each

Part Number: TMK-HM89410

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Timken Pinion Bearings HM803149

Pinion Bearing, 1.750 in. Inside Diameter, Each

Part Number: TMK-HM803149

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Timken Pinion Bearing Races HM803110

Pinion Bearing Race, Fits Bearing with 3.500 in. Outside Diameter, Each

Part Number: TMK-HM803110

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Sachs Stock Replacement Clutch Slave Cylinders SH6169

CLUTCH SLAVE CYLINDER

Part Number: SXR-SH6169

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

BCA Bearings by NTN Wheel Bearing and Hub Assemblies WE61349

Wheel Bearing and Hub Assembly, OE form, fit & function wheel hub unit.

Part Number: NTN-WE61349

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Standard Motor Neutral and Backup Safety Switches NS-542

EM- Starter Safety Sw

Part Number: SMP-NS-542

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Zoom MU Series Clutches for 2006-2010 M5, M6 - MU72362-1

Clutch, MU Series, 1.375 in. - 26-spline, Organic Disc, Pressure Plate, BMW, 5.0L, Kit

Part Number: ZZZ-MU72362-1

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

LuK Clutch DMF Flywheels for 2006-2010 M5, 2006-2009 M6 - 4150392100

Flywheel, Steel, BMW, 5.0L, Each

Part Number: LUK-DMF149

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Sachs Stock Replacement Clutch Kits for 2006-2009 M5, M6 - K70467-01

CLUTCH KIT

Part Number: SXR-K70467-01

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

South Bend Clutch Stage 2 Drag Race Clutch Kits for 2006-2009 M5, M6 - K03061-HD-DXD-B

Clutch Kit, Stage 2 Drag Race, Single, 1.130 in. - 10-spline, Ceramic Disc, Pressure Plate, BMW, 5.0L, Kit

Part Number: SBB-S0227

Not Yet Reviewed