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Summit Racing SpeedCard - learn how to get 10% back up to $100

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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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Results 1 - 7 of 7

Chevrolet Performance SuperMatic 8L90-E Transmissions 19419798

Chevrolet Performance SuperMatic 8L90-E Transmissions 19419798

Chevrolet Performance SuperMatic 8L90-E Transmissions 19419798

Automatic Transmission, SuperMatic 8L90-E, 8 Gears, Forward Shift Pattern, Automatic Valve Body, 4.56 First Gear, Torque Converter, Chevy, LT1, Kit

Part Number: NAL-19419798

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2026 if ordered today

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Estimated Ship Date: Aug 19, 2026 if ordered today

Lakewood Bellhousing Adapters 15901LKW

Lakewood Bellhousing Adapters 15901LKW

Lakewood Bellhousing Adapters 15901LKW

Bellhousing Adapter, Chevy LS, LT to Conventional, Kit

Part Number: LAK-15901LKW

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Chevrolet Performance Automatic Transmissions 19432680

Chevrolet Performance Automatic Transmissions 19432680

Chevrolet Performance Automatic Transmissions 19432680

Automatic Transmission Package, SuperMatic 6L80E, 2,400-2,800 Stall Converter, Chevrolet, LT1/LT4 Engines, 4WD, Kit

Part Number: NAL-19432680

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Chevrolet Performance Automatic Transmission Installation Kits 19417103

Chevrolet Performance Automatic Transmission Installation Kits 19417103

Chevrolet Performance Automatic Transmission Installation Kits 19417103

Transmission Installation Kit, 8L90E, LT1, LT4, LT5, Inspection Covers, Cooler Line, Hardware Included, Yoke, Kit

Part Number: NAL-19417103

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

RAM Billet Steel 168-Tooth Flywheel 1558F

Made in the USA

RAM Billet Steel 168-Tooth Flywheel 1558F

RAM Billet Steel 168-Tooth Flywheel 1558F

Flywheel, Billet Steel, 168-Tooth, Internal Engine Balance, 27.000 lbs., 1-Piece Rear Main Seal, SFI 1.1, Chevy, LSX, V8, Each

Part Number: RAM-1558F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Chevrolet Performance Transmission Installation Kits 19329416

Chevrolet Performance Transmission Installation Kits 19329416

Chevrolet Performance Transmission Installation Kits 19329416

Flexplate, Transmission Installation, 168-tooth, Steel, Internal Engine Balance, 8-Bolt, Flexplate Covers, Chevy, Kit

Part Number: NAL-19329416

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

RAM Billet Aluminum 168-Tooth Flywheel 2558F

Made in the USA

RAM Billet Aluminum 168-Tooth Flywheel 2558F

RAM Billet Aluminum 168-Tooth Flywheel 2558F

Flywheel, Billet Aluminum, 168-Tooth, Internal Engine Balance, 14.000 lbs., 1-Piece Rear Main Seal, SFI 1.1, Chevy, LSX, V8, Each

Part Number: RAM-2558F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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