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.

Showing In Stock Items. Show All 47 Items.

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Results 1 - 25 of 28

Standard Motor Neutral and Backup Safety Switches NS-520

EM- Neutral Safety Sw

Part Number: SMP-NS-520

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

Hays Street/Strip Clutch Kits 85-103

Clutch Kit, Street/Strip, Organic, 1 1/8 in.-10-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Kit

Part Number: HAY-85-103

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Hays Street/Strip Clutch Kits 85-114

Clutch Kit, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Buick, Chevy, GMC, Pontiac

Part Number: HAY-85-114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Zoom MU Series Clutches MU5473-1B

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Hays Street/Strip Clutch Kits 85-113

Clutch, Street/Strip, General Motors, V6/L6, Each

Part Number: HAY-85-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Centerforce II Clutch Kits KCFT355216

5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Timken Wheel Bearings SET6

Wheel Bearing, Front, Each

Part Number: TMK-SET6

4.84 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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Timken Wheel Bearings SET2

Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Timken Wheel Bearings SET5

Wheel Bearing, Each

Part Number: TMK-SET5

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Hays Street 650 Clutch Conversion Kits 92-1102

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Hays Street 450 Clutch Conversion Kits 91-1004

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Timken Pinion Bearing Races M88010

Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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National Bearing Throwout Bearings 614018

Bearing, Ball, Each

Part Number: NTL-614018

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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National Bearing Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Standard Motor Automatic Transmission Control Solenoids SZ-1

Transmission Solenoid, Detent Solenoid, Downshift, Kickdown, GM, Each

Part Number: SMP-SZ1

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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National Bearing Wheel Bearings NNTA6

Wheel Bearing, Tapered, Each

Part Number: NTL-A6

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Hays Classic Conversion Clutch Kits 83-1102

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Dura-Bond Automatic Transmission Bushings 44034

Automatic Transmission Bushing, 2.004 in. O.D., 0.605 in. Length, BMW, Buick, Cadillac, Chevy, GMC, Isuzu, Jeep, Olds, Opel, Pontiac, Suzuki, Each

Part Number: DUR-44034

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Timken Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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FAG USA Multi-Purpose Oil Seals SS2569

Seal, Nitrile Rubber, Red, 1.50 in. Shaft, Each

Part Number: FWB-SS2569

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Wheel Bearings 19312427

Wheel Bearings, GM Genuine Parts, 1.250 in. Bore Diameter, Steel, 2.328 in. O.D., 0.625 in. Width, BMW, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Each

Part Number: ADO-A6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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