$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Filters

Selected Filters

Filter Results by Vehicle

Loading...

Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

Availability

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
Part Groups

Results 1 - 25 of 2000 +

Advance Adapters Saturn Overdrive Units 915672

Made in the USA Advance Adapters Saturn Overdrive Units 915672

Advance Adapters Saturn Overdrive Units 915672

Overdrive Unit, Saturn, 3-Speed, Each

Part Number: ADD-915672

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Advance Adapters Saturn Overdrive Units for 1959-1960 CJ3, 1961-1965 SCOUT - 915670

Made in the USA Advance Adapters Saturn Overdrive Units for 1959-1960 CJ3, 1961-1965 SCOUT - 915670

Advance Adapters Saturn Overdrive Units for 1959-1960 CJ3, 1961-1965 SCOUT - 915670

Overdrive Unit, Jeep, International, 134/152, L4, Each

Part Number: ADD-915670

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Advance Adapters Saturn Overdrive Units 915676

Made in the USA Advance Adapters Saturn Overdrive Units 915676

Advance Adapters Saturn Overdrive Units 915676

Overdrive Unit, Saturn, 10 Internal Gear Teeth, 31 External Drive Gear Teeth, Each

Part Number: ADD-915676

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-JKAD

Made in the USA Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-JKAD

Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-JKAD

RubiCrawler, NV241 Transfer Case, Twin Stick Shifter, With Heavy Duty Cable Upgrade, Jeep, Each

Part Number: ADD-RUBI-JKAD

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Advance Adapters RubiCrawler Crawl Gearboxes for 1997-2006 WRANGLER - RUBI-TJ

Made in the USA Advance Adapters RubiCrawler Crawl Gearboxes for 1997-2006 WRANGLER - RUBI-TJ

Advance Adapters RubiCrawler Crawl Gearboxes for 1997-2006 WRANGLER - RUBI-TJ

RubiCrawler, NV231 Transfer Case, Twin Stick Shifter, Jeep, Wrangler, Each

Part Number: ADD-RUBI-TJ

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-UNIV

Made in the USA Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-UNIV

Advance Adapters RubiCrawler Crawl Gearboxes for 2003-2011 WRANGLER - RUBI-UNIV

RubiCrawler, Atlas or Aftermarket Transfer Case, Universal Stick Shifter, Jeep, Wrangler, Each

Part Number: ADD-RUBI-UNIV

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Advance Adapters Overdrive Units 915677

Made in the USA Advance Adapters Overdrive Units 915677

Advance Adapters Overdrive Units 915677

***OVERDRIVE, MINUS BOWL GEAR

Part Number: ADD-915677

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Sierra Marine Lower Unit Fill Tubes 18-2448

Sierra Marine Lower Unit Fill Tubes 18-2448

Sierra Marine Lower Unit Fill Tubes 18-2448

Marine Drive Unit Components, Lower Unit Fill, Drain Kit, Kit

Part Number: RRA-18-2448

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Unit Caps 18-2382

Sierra Marine Drive Unit Caps 18-2382

Sierra Marine Drive Unit Caps 18-2382

Marine Drive Unit Components, Upper Drive Unit Cap, Each

Part Number: RRA-18-2382

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Lower Unit Seal Kits 18-2698

Sierra Marine Lower Unit Seal Kits 18-2698

Sierra Marine Lower Unit Seal Kits 18-2698

Marine Drive Unit Components, Clutch Housing Seal Kit, Kit

Part Number: RRA-18-2698

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Lower Unit Seal Kits 18-8360

Sierra Marine Lower Unit Seal Kits 18-8360

Sierra Marine Lower Unit Seal Kits 18-8360

Marine Drive Unit Components, Clutch Housing Seal Kit, Each

Part Number: RRA-18-8360

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Driveshaft Housing Gaskets 18-2713

Sierra Marine Driveshaft Housing Gaskets 18-2713

Sierra Marine Driveshaft Housing Gaskets 18-2713

Marine Drive Unit Components, Drive Shaft Housing Gasket, Mercury Marine, Each

Part Number: RRA-18-2713

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine U-Joint Assemblies 18-9218

Sierra Marine U-Joint Assemblies 18-9218

Sierra Marine U-Joint Assemblies 18-9218

Marine Drive Unit Components, U-Joint Assembly, Each

Part Number: RRA-18-9218

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sierra Marine Pinion Nuts 18-3719

Sierra Marine Pinion Nuts 18-3719

Sierra Marine Pinion Nuts 18-3719

Marine Drive Unit Components, Pinion Nut, Each

Part Number: RRA-18-3719

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Shimming Tools 18-2283

Sierra Marine Drive Shimming Tools 18-2283

Sierra Marine Drive Shimming Tools 18-2283

Marine Drive Unit Components, Shim, Kit

Part Number: RRA-18-2283

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Anchor Screws 18-3725-9

Sierra Marine Anchor Screws 18-3725-9

Sierra Marine Anchor Screws 18-3725-9

Marine Drive Unit Components, Ball Gear Nut, Set of 5

Part Number: RRA-18-3725-9

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Pinion Nuts 18-3769

Sierra Marine Pinion Nuts 18-3769

Sierra Marine Pinion Nuts 18-3769

Marine Drive Unit Components, Pinion Nut, Each

Part Number: RRA-18-3769

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Shimming Tools 18-2232

Sierra Marine Drive Shimming Tools 18-2232

Sierra Marine Drive Shimming Tools 18-2232

Marine Drive Unit Components, Shim, 1.22 in. Diameter, 0.003 in. Thick, Each

Part Number: RRA-18-2232

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Shimming Tools 18-2282

Sierra Marine Drive Shimming Tools 18-2282

Sierra Marine Drive Shimming Tools 18-2282

Marine Drive Unit Components, Shim, Kit

Part Number: RRA-18-2282

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Shimming Tools 18-2285

Sierra Marine Drive Shimming Tools 18-2285

Sierra Marine Drive Shimming Tools 18-2285

Marine Drive Unit Components, Shim, Kit

Part Number: RRA-18-2285

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Drive Shimming Tools 18-2296

Sierra Marine Drive Shimming Tools 18-2296

Sierra Marine Drive Shimming Tools 18-2296

Marine Drive Unit Components, Shim, 0.055 in. Thick, Each

Part Number: RRA-18-2296

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Shafts 18-73131

Sierra Marine Shafts 18-73131

Sierra Marine Shafts 18-73131

Marine Drive Unit Components, Gimbal Ring Shaft, Each

Part Number: RRA-18-73131

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Transom Seal Kits 18-8206-1

Sierra Marine Transom Seal Kits 18-8206-1

Sierra Marine Transom Seal Kits 18-8206-1

Marine Drive Unit Components, Transom Seal Kit, Mercruiser Stern Drive, Kit

Part Number: RRA-18-8206-1

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 23, 2025 if ordered today

Sierra Marine Prop Shafts 18-2166

Sierra Marine Prop Shafts 18-2166

Sierra Marine Prop Shafts 18-2166

Marine Drive Unit Components, Prop Shaft, Each

Part Number: RRA-18-2166

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Sierra Marine Bearing Carrier Retainer Tools 18-02061

Sierra Marine Bearing Carrier Retainer Tools 18-02061

Sierra Marine Bearing Carrier Retainer Tools 18-02061

Marine Drive Unit Components, Shim, Bearing Carrier Shim, 0.010 in. Thick, Brown, Each

Part Number: RRA-18-02061

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify