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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.

Individual Parts

Results 1 - 25 of 151

Shifter Cable, 5 ft. Length, Morse Style, Eyelet/Threaded Ends, Gray, Each

Part Number: HUU-5000025

4.84 out of 5 stars ( 19 )

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Shifter Cable, Automatic Transmission, 30 in. Eyelet/Eyelet, Gray, Each

Part Number: SIW-K100-30

4.89 out of 5 stars ( 35 )

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Valve Body, Billett Aluminum,Towing/HD. Dodge, 68RE, Gray Plug, Each

Part Number: RVM-68RFE-301A

5.0 out of 5 stars ( 3 )

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Sfifter Cable, Automatic Transmission, Adjustable, 32 in. Eyelet/Eyelet, Bulkhead-to-Bulkhead Range of 19 1/4 in.-20 in., Gray, GM, Each

Part Number: SIW-K100-32

4.89 out of 5 stars ( 9 )

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Automatic Transmission Pan, Replacement, Stock Style, Steel, Gray, 3.250 in. Depth, Drain Plug, Filter, Gaskets, 6L80, Cadillac, Chevrolet, GMC, Kit

Part Number: RNB-265-582

5.0 out of 5 stars ( 1 )

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Differential Cover, Nodular Iron, Dana 60, Gray, Kit

Part Number: SDH-10024090

5.0 out of 5 stars ( 5 )

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Shifter Cable, Automatic Transmission, 5 ft. Length, 303 Stainless Steel, Eyelet/No.10-32 Threaded Ends, 2.50 in. Stroke, Gray, Each

Part Number: HUU-5008555

4.87 out of 5 stars ( 15 )

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Axle and General Purpose Seals, GM Genuine Parts Multi-Purpose Seals, Rubber, Black/Gray, 0.690 in. Thick, 3.400 in. I.D., 4.470 in. O.D., Chevy, Each

Part Number: ADO-291-366

Not Yet Reviewed

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Shifter Cable, Automatic Transmission, 3 ft. Length, Morse Style, Eyelet/No.10-32 Threaded Ends, 2.50 in. Stroke, Gray, Each

Part Number: HUU-5000023

4.57 out of 5 stars ( 7 )

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Locking Hubs, Manual, Black with Gray Dial, Toyota, Each

Part Number: ASN-FHT-019

5.0 out of 5 stars ( 3 )

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Differential Cover, AdvanTEK , JL/Dana 44 Style, Rear-End, Nodular Iron, Gray, with Filler Plug and 12 Bolts, 1/2 in.-14, Jeep, 2.0L, 3.0L, 3.6L, Kit

Part Number: SDH-10040651

Not Yet Reviewed

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Differential Cover, Dana 80 Axle, Nodular Iron, Gray Powedercoated, Each

Part Number: SDH-10023537

5.0 out of 5 stars ( 2 )

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Transmission Pan, Steel, Gray, Stock Style, Case Fill, Ford, C-4, Each

Part Number: SDK-C5ZZ-7A194-S

4.18 out of 5 stars ( 11 )

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Differential Case Kit, Rear, Silver & Gray, MetalHardware Included & Use Existing Hardware

Part Number: CWA-68035574AA

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Differential Cover, Differential Cover Kit, 12-bolt, Nodular Iron, Gray, for Use On Dana 44 AdvanTEK Front Differentials, Jeep, Kit

Part Number: SDH-10044799

5.0 out of 5 stars ( 1 )

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Shifter Cable, 5 ft. Length, Morse Style, Eyelet/Eyelet Ends, Gray, Each

Part Number: HUU-5000029

4.55 out of 5 stars ( 11 )

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Differential Cover, 14-bolt, Steel, Gray, GM 11.5 in., Each

Part Number: RNB-697712

5.0 out of 5 stars ( 1 )

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Shifter Cable, 8 ft. Length, Morse Style, Eyelet/Threaded Ends, Gray, Each

Part Number: HUU-5000028

4.33 out of 5 stars ( 3 )

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Transmission Harness, Replacement, 20-Pin Pigtail, GM Automatic Transmission, Gray Connector, 12 in. Wire Leads, Butt-Style Connectors, Each

Part Number: FLE-S0507

5.0 out of 5 stars ( 1 )

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Differential Case Assembly, Rear, Gray, Metal, Use Existing Hardware

Part Number: CWA-J3212192

Not Yet Reviewed

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Differential Cover, Cast Aluminum, Dana 80, Gray, Kit

Part Number: SDH-2013834

4.33 out of 5 stars ( 3 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Shifter Stick, Truss-Style, Lay Back, Billet Aluminum, Gray Powdercoated, 8 in. Length, Each

Part Number: CYM-SH-202-8

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

Shifter Stick, Truss-Style, Lay Back, Billet Aluminum, Gray Powdercoated, 10 in. Length, Each

Part Number: CYM-SH-202-10

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Clutch Slave Cylinder, Manual, Aluminum, Gray, Gas Gas, Husqvarna, KTM, Each

Part Number: REK-RMS-2400028

Not Yet Reviewed

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Slip Yoke Oil Seal, Front, Gray, Metal, Use Existing Hardware

Part Number: CWA-83503118

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today