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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

Part Groups

Results 1 - 25 of 237

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5/8.6 Inch YDGGM8.5-3-30-1

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5/8.6 Inch YDGGM8.5-3-30-1

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5/8.6 Inch YDGGM8.5-3-30-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26016

4.25 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-373 GM 8.5/8.6 in. 3.73 Gears

Motive Gear Ring and Pinion Sets GM10-373 GM 8.5/8.6 in. 3.73 Gears

Motive Gear Ring and Pinion Sets GM10-373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-411A GM 8.5/8.6 in. 4.11 Gears

Motive Gear Ring and Pinion Sets GM10-411A GM 8.5/8.6 in. 4.11 Gears

Motive Gear Ring and Pinion Sets GM10-411A GM 8.5/8.6 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.41 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Sets 49-0041-1 GM 8.5/8.6 in. 3.73 Gears

Richmond Gear Ring and Pinion Sets 49-0041-1 GM 8.5/8.6 in. 3.73 Gears

Richmond Gear Ring and Pinion Sets 49-0041-1 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900411

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts 168-Tooth Flexplate 19260102

ACDelco GM Genuine Parts 168-Tooth Flexplate 19260102

ACDelco GM Genuine Parts 168-Tooth Flexplate 19260102

Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM85373 GM 8.5/8.6 in. 3.73 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85373 GM 8.5/8.6 in. 3.73 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30-Spline, GM 8.5/8.6 in., Set

Part Number: YGA-24158

4.1 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-456A GM 8.5/8.625 in. 4.56 Gears

Motive Gear Ring and Pinion Sets GM10-456A GM 8.5/8.625 in. 4.56 Gears

Motive Gear Ring and Pinion Sets GM10-456A GM 8.5/8.625 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

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B&M Transmission Brackets and Levers 35498

B&M Transmission Brackets and Levers 35498

B&M Transmission Brackets and Levers 35498

Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Today

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ACDelco Pilot Bearings and Bushings 14061685

ACDelco Pilot Bearings and Bushings 14061685

ACDelco Pilot Bearings and Bushings 14061685

Pilot Bearing, Roller, Steel, Cadillac, Chevy, Pontiac, Each

Part Number: ADO-CT1078

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM8.5

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM8.5

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM8.5

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts 168-Tooth Flexplate 12654640

ACDelco GM Genuine Parts 168-Tooth Flexplate 12654640

ACDelco GM Genuine Parts 168-Tooth Flexplate 12654640

Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM85342 GM 8.5/8.6 in. 3.42 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85342 GM 8.5/8.6 in. 3.42 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Timken Wheel Bearings SET5

Timken Wheel Bearings SET5

Timken Wheel Bearings SET5

Wheel Bearing, Each

Part Number: TMK-SET5

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

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ACDelco Pilot Bearings and Bushings 12557583

ACDelco Pilot Bearings and Bushings 12557583

ACDelco Pilot Bearings and Bushings 12557583

Pilot Bearing, Roller, Steel, Chevy, GMC, Hummer, Each

Part Number: ADO-CT1082

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Today

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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: Today

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ACDelco Gold Automatic Transmission Fluid Filters 25174487

ACDelco Gold Automatic Transmission Fluid Filters 25174487

ACDelco Gold Automatic Transmission Fluid Filters 25174487

Automatic Transmission Filter, Chevy, GMC, Each

Part Number: ADO-TF289

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Today

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Richmond Gear Ring and Pinion Sets 49-0278-1 GM 8.5/8.6 in. 3.42 Gears

Richmond Gear Ring and Pinion Sets 49-0278-1 GM 8.5/8.6 in. 3.42 Gears

Richmond Gear Ring and Pinion Sets 49-0278-1 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Moog Super Strength U-Joints 270

Moog Super Strength U-Joints 270

Moog Super Strength U-Joints 270

Universal Joint, Super Strength, 1330 Style, Greasable, Steel, Each

Part Number: MOG-270

4.7 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Moog Premium U-Joints 534G

Moog Premium U-Joints 534G

Moog Premium U-Joints 534G

Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each

Part Number: MOG-534G

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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ACDelco Driveshaft Center Support Bearings 19312071

ACDelco Driveshaft Center Support Bearings 19312071

ACDelco Driveshaft Center Support Bearings 19312071

Driveshaft Support Carrier Bearings, Replacement, Checker, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Olds, Plymouth, Studebaker, Each

Part Number: ADO-HB88107A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

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