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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.

Showing In Stock Items. Show All 203 Items.

Individual Parts

Part Groups

Results 1 - 25 of 147

EPI Performance Primary Clutch Springs 53-2552

EPI Performance Primary Clutch Springs 53-2552

EPI Performance Primary Clutch Springs 53-2552

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING WHITE

Part Number: ERL-PS-2

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

EPI Performance Primary Clutch Springs 53-2543

EPI Performance Primary Clutch Springs 53-2543

EPI Performance Primary Clutch Springs 53-2543

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING ORANGE

Part Number: ERL-PS-1

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

EPI Performance Primary Clutch Springs 53-2545

EPI Performance Primary Clutch Springs 53-2545

EPI Performance Primary Clutch Springs 53-2545

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING PINK

Part Number: ERL-PS-11

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

EPI Performance Primary Clutch Springs 53-2549

EPI Performance Primary Clutch Springs 53-2549

EPI Performance Primary Clutch Springs 53-2549

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING MAROON

Part Number: ERL-PS-14

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

EPI Performance Primary Clutch Springs 53-2548

EPI Performance Primary Clutch Springs 53-2548

EPI Performance Primary Clutch Springs 53-2548

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING GOLD

Part Number: ERL-PS-13

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

Timken Wheel Bearings SET6

Timken Wheel Bearings SET6

Timken Wheel Bearings SET6

Wheel Bearing, Front, Each

Part Number: TMK-SET6

4.85 out of 5 stars ( 41 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Timken Wheel Bearings SET2

Timken Wheel Bearings SET2

Timken Wheel Bearings SET2

Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 49-0039-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Richmond Gear Ring and Pinion Sets 49-0039-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Richmond Gear Ring and Pinion Sets 49-0039-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.2 Inch, BOP axle YDGGM8.2BOP-3-28-1

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.2 Inch, BOP axle YDGGM8.2BOP-3-28-1

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.2 Inch, BOP axle YDGGM8.2BOP-3-28-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.2 in. BOP, 28 Spline, 3.31 Up Ratio, Each

Part Number: YGA-26024

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ACDelco GM Genuine Parts Wheel Bearings 19312427

ACDelco GM Genuine Parts Wheel Bearings 19312427

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

National Bearing Wheel Bearings NNTA6

National Bearing Wheel Bearings NNTA6

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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Estimated Ship Date: Tomorrow

ACDelco GM Genuine Parts Wheel Bearings 19312416

ACDelco GM Genuine Parts Wheel Bearings 19312416

ACDelco GM Genuine Parts Wheel Bearings 19312416

Wheel Bearing, GM Genuine Part, 0.750 in. Bore Diameter, Steel, 1.781 in. O.D., AMC, Buick, Chevrolet, Chrysler, Ford, GMC, Mercedes-Benz, Olds, Each

Part Number: ADO-A2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Classic Performance OE Drum Brake Hub Kits 6474HK-OE

Classic Performance OE Drum Brake Hub Kits 6474HK-OE

Classic Performance OE Drum Brake Hub Kits 6474HK-OE

Wheel Hubs, Bearings, Seals, Front, Drum Brakes, Chevrolet, Buick, Oldsmobile, Pontiac, Kit

Part Number: CLP-6474HKOE

4.45 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

National Bearing Wheel Bearings NNTA2

National Bearing Wheel Bearings NNTA2

National Bearing Wheel Bearings NNTA2

Wheel Bearing, Tapered, Outer, Each

Part Number: NTL-A2

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Timken Pinion Bearings M802048

Timken Pinion Bearings M802048

Timken Pinion Bearings M802048

Bearing, Pinion, 1.625 in. Inside Diameter, Each

Part Number: TMK-M802048

4.67 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Powertrax Lock-Right Lockers GM 8.875 Inch (12-bolt), Car/Truck 1910-LR

Powertrax Lock-Right Lockers GM 8.875 Inch (12-bolt), Car/Truck 1910-LR

Powertrax Lock-Right Lockers GM 8.875 Inch (12-bolt), Car/Truck 1910-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each

Part Number: PWT-1910-LR

4.13 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Timken Pinion Bearings M88048

Timken Pinion Bearings M88048

Timken Pinion Bearings M88048

Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

SKF Bearings Wheel Bearings BR2

SKF Bearings Wheel Bearings BR2

SKF Bearings Wheel Bearings BR2

Tapered roller bearing set (bearing and race)

Part Number: SKF-BR2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

FAG USA Wheel Bearings 103117

FAG USA Wheel Bearings 103117

FAG USA Wheel Bearings 103117

Tapered Roller Bearing, 0.75 in. I.D., 1.781 in. O.D., Each

Part Number: FWB-103117

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Timken Wheel Seals 8660S

Timken Wheel Seals 8660S

Timken Wheel Seals 8660S

Axle Seal, Rear Axle Shaft Size-1.399 in., Seal O.D-.2.296, Seal Width-0.460 in., Bidirectional, Each

Part Number: TMK-8660S

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Timken Axle Bearings 5707

Timken Axle Bearings 5707

Timken Axle Bearings 5707

Axle Bearing, 1.402 in. Bore, 2.252 in. O.D., 0.698 in. Width, Rear, AMC, Chevy, GMC, Chrysler, Ford, Each

Part Number: TMK-5707

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 49-0094-1 GM 8.875 in. (12-bolt) passenger car 3.08 Gears

Richmond Gear Ring and Pinion Sets 49-0094-1 GM 8.875 in. (12-bolt) passenger car 3.08 Gears

Richmond Gear Ring and Pinion Sets 49-0094-1 GM 8.875 in. (12-bolt) passenger car 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900941

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Silver Sport 621 Manual Transmission Bellhousings BHG-00104A

Silver Sport 621 Manual Transmission Bellhousings BHG-00104A

Silver Sport 621 Manual Transmission Bellhousings BHG-00104A

Manual Transmission Bellhousing, 621, New, Aluminum, Natural, Blue Bird, Buick, Cadillac, Checker, Chevy, GMC, Jeep, Olds, Pontiac, Workhorse, Each

Part Number: IST-BHG-00104A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Richmond Gear Pro Gear Ring and Pinion Sets 79-0099-1 GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Richmond Gear Pro Gear Ring and Pinion Sets 79-0099-1 GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Richmond Gear Pro Gear Ring and Pinion Sets 79-0099-1 GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0099-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Centric C-Tek Standard Wheel Bearings 410.91006E

Centric C-Tek Standard Wheel Bearings 410.91006E

Centric C-Tek Standard Wheel Bearings 410.91006E

Wheel Bearings, Tapered, Steel, Each

Part Number: CEB-410-91006E

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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