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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.

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Individual Parts

Results 1 - 25 of 2000 +

Flywheel, Billet Steel, 153-Tooth, 25 lb. Internal Balance, 10.50 in. Clutch, Chevy, Big, Small Block, Each

Part Number: SUM-700183

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Gear, Ring and Pinion, 3.55:1 Ratio, Chrysler, 9.25 in., Set

Part Number: MGR-C9-25-355

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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U-Joint, Spicer 1310 Style, Greasable, Steel, Round Plain Type A/Type B Bearing Caps, for Nissan, AMC, Chevy, Ford, GMC, Jeep, Olds, Pontiac, Each

Part Number: SCY-25-153X

Not Yet Reviewed

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Torque Converter, Street Master, 2,500 rpm Stall, Ford, FMX, Each

Part Number: HUP-38-25

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Flywheel, Billet Steel, 164-Tooth, External 28 oz. Balance, 25 lbs., SFI 1.1, Ford, Small Block, V8, Each

Part Number: RAM-1505LW

Not Yet Reviewed

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Torque Converter, Street Master, 2,500 rpm Stall, Ford, Lincoln, Mercury, C-6, Each

Part Number: HUP-35-25

4.24 out of 5 stars ( 17 )

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Torque Converter, Street Master, 2,500 rpm Stall, Ford, C-6, Each

Part Number: HUP-43-25

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Torque Converter, 2500 Stall, 727, 24Spl w/ 400, 440 CID Balance Weight, Each

Part Number: HUP-24-25-440BAL

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Wheel Bearing and Seal Kit, Polaris, Kit

Part Number: ALB-25-1628

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Installation Kit, Ford, 8 in., 10-Bolt, 25-Spline Pinion, Kit

Part Number: RMG-8310151

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Center Support Bearing Kit, Polaris, Kit

Part Number: ALB-25-1682

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Ring and Pinion Gears, GM 8.2 in., 3.55:1 Ratio, 25-spline, Standard Rotation, GM 8.2 in., Set

Part Number: SVL-10004620

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Quick Change Gears, Professional, 10-Spline, E 9310 Steel, Set 25, 20/22 Teeth, Set

Part Number: SGB-25-PRO

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Transmission Control Solenoid, Dual Solenoid, TCC and Overdrive, Dodge, Jeep, A500/A518/46RH, Each

Part Number: ATP-TE-25

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Quick Change Gears, 10-Spline, SAE 8620 Steel, Set 6, 23/25 Teeth, Pair

Part Number: WPP-8506

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Quick Change Gears, 6-Spline, SAE 8620 Steel, Set 3, 23/25 Teeth, Pair

Part Number: WPP-SR4503HR

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.188 in. Pinion, 25 Spline, 8.000 in. Ring Gear, Ford 8 in., Set

Part Number: YGA-24092

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Universal Joint Non Greaseable 7260 Series OSR ISR- American Motors 1979-83 Concord, 1980-81 Eagle, 1979-80 Pacer, 1979-82 Spirit, Dodge 88-99 Dakota

Part Number: SCY-25-788X

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Differential Cover Bolt, Steel, Black, Hex Head, 0.500 in. Wrench Size, Dana 25, 27, 30, 44, Model 35, GM 7.5 in., GM 8.2 in., Each

Part Number: YGA-33286

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Universal Joint Greaseable 7290 to 1330 Series

Part Number: SDH-25-3227X

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Clutch Kit, Performance, Single Disc, 26-Spline, 1.125 in. Diameter, 12 in. Disc Diameter, Metallic/Organic, with Flywheel, 8-Bolt, Chevy, LS, Kit

Part Number: RAM-25-932

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Universal Joint Greaseable 5380 Series ISR

Part Number: SDH-25-1301X

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Driveshaft Center Support Bearing 1.574 I.D. 7.62 CL/CL

Part Number: SDH-25-210391-1X

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Spicer Select CV Joint Repair Kit; (used on Complete Driveshaft OE part number(s) 15114531) - Chevy S10/Blazer

Part Number: SDH-25-10140087

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today