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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Results 1 - 25 of 2000 +

Hughes Performance Street/Strip 35 Series 3,000 Stall Torque Converter 25-35MDLMHD BB

Hughes Performance Street/Strip 35 Series 3,000 Stall Torque Converter 25-35MDLMHD BB

Torque Converter, 3,000 rpm Stall, 4L80E, 4L85E, 35-Spline, Trans-Break, Each

Part Number: HUP-2535MDLMHDBB

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Hughes Performance Street/Strip 35 Series 3,500 Stall Torque Converter 24-35BHD

Torque Converter, 3,500 rpm Stall, Torqueflight 727, 24-Spline, Trans-Break, Each

Part Number: HUP-24-35BHD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

4.67 out of 5 stars ( 6 )

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

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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Sonnax Valve Bodies CHR146

Automatic Transmission Valve Body, Remanufactured, Automatic Valve Body Style, Cast Iron, Standard Shift Pattern, Daimler, Each

Part Number: SOX-CHR146

4.0 out of 5 stars ( 2 )

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

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

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Automatic Transmission Pans 24204278

Automatic Transmission Pan, Steel, Natural, Chevy, GMC, Each

Part Number: ADO-24204278

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM7.5-410A GM 7.5/7.625 in. 4.10 Gears

Ring and Pinion Gears, GM 7.5/7.625 in., 4.10:1 Ratio, 27-spline, Standard Rotation, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Set

Part Number: MGR-GM7-5-410A

5.0 out of 5 stars ( 3 )

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

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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Crown Automotive Direct-Fit Axle Shaft Assemblies for 2007-2017 WRANGLER, 2018 WRANGLER JK - 68003272AA

Axle Shaft Assembly, Rear, Bolt-in, 30-spline Inner, Steel, Dana 44, Jeep, Each

Part Number: CWA-68003272AA

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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VEGE Remanufactured Automatic Transmissions 8124A-JMB

Transmission, GM 6L80 RWD 6-Spd

Part Number: VRE-8124A-JMB

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

VEGE Remanufactured Automatic Transmissions 8114A-JMB

Automatic Transmission, Remanufactured, 6 Gears, Standard Shift Pattern, Torque Converter Included, 6L80, Cadillac, Chevrolet, GMC, Each

Part Number: VRE-8114A-JMB

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Motive Gear Ring and Pinion Sets C9.25-392 Chrysler 9.25 in. 3.92 Gears

Ring and Pinion, Chrysler 9.25 in., 3.92:1 Ratio, Standard Rotation, Set

Part Number: MGR-C9-25-392

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets D44-373 Dana 44 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Sonnax Smart-Tech Direct Clutch Drum and Shaft Kits 76656-01K

Clutch Drum, Smart-Tech, Direct, Steel, Ford, 4R70E, 4R70W, 4R75E, 4R75W, Kit

Part Number: SOX-76656-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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VEGE Remanufactured Automatic Transmissions 8224A-JMBF

Transmission, GM 6L90 RWD 6-Spd

Part Number: VRE-8224A-JMBF

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM12-373 GM 8.875 in. (12-bolt) truck 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set

Part Number: MGR-GM12-373

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10.5-410 GM 10.5 in. (14-bolt) 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 10.5 in., 14-Bolt, Fits 4.10:1 and Numerically Lower Carrier, Set

Part Number: MGR-GM10-5-410

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Pioneer Automatic Transmission Kickdown Cables CA-1952

Automatic Transmission Kickdown Cable, 39.570 in. Length, TH350, Buick, Chevy, GMC, Pontiac, Each

Part Number: PIO-CA-1952

4.04 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets F9-350 Ford 9 in. 3.50 Gears

Gear, Ring and Pinion, 3.50:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F9-350

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Motive Gear Ring and Pinion Sets GM10-390 GM 8.5/8.6 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sonnax Heavy-Duty Automatic Transmission Clutch Hubs 74574-HD

Automatic Transmission Clutch Hub, Heavy-Duty, Overrun Position, Forged 4140 Steel, GM, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-74574HD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets F8.8-373 Ford 8.8 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F8-8-373

Not Yet Reviewed

Estimated Ship Date: Today

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The Driveshaft Shop Driveshafts for 2015-2023 CHARGER - 610260

Driveshaft, Rear, Balanced, One-piece, Assembled, Aluminum, 4.00 in. Diameter, Dodge, Each

Part Number: DSS-CHSH38-A

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets F8.8-488 Ford 8.8 in. 4.88 Gears

Ring and Pinion Gears, 4.88:1 Ratio, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: MGR-F8-8-488

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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