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 54

Advance Adapters NP231 Slip Yoke Eliminator Kits 50-7906

Fixed Yoke Kit, with Vacuum Actuation for Front Hubs, Fits Jeep, NP 231, Uses 1310 U Joint, Kit

Part Number: ADD-50-7906

4.81 out of 5 stars ( 62 )

Estimated Ship Date: Today

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Advance Adapters NP231 Fixed Yoke Kits 50-7907

SlipYoke Eliminator Kit, NP231, Jeep, Kit

Part Number: ADD-50-7907

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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TeraFlex NP231 Slip Yoke Eliminator Short Shaft Kits for 1997-2001 CHEROKEE, 1987-2006 WRANGLER - 4444401

Slip Yoke, Short Shaft Kit, Jeep, NP231, Kit

Part Number: TMI-4444401

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Advance Adapters NP231 Standalone Transfer Case Shifter Brackets for 1997-2006 WRANGLER - 715542

Advance Adapters NP231 Standalone Transfer Case Shifter Brackets for 1997-2006 WRANGLER - 715542

Shifter Bracket, Transfer Case Mount, Steel, Jeep, Kit

Part Number: ADD-715542

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Skyjacker NP231 Tranfercase Slip Yoke Eliminator Kits for 1984-2001 CHEROKEE, 1997-2016 WRANGLER - RR231

Transfer Case Slip Yoke Eliminator Kit; Slip Yoke Eliminator; Rock Ready; For Transfer Case PN[NP231]

Part Number: SJA-RR231

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

Rough Country Slip Yoke Eliminator Kits for 1984-2001 CHEROKEE, 1987-2006 WRANGLER - 50-7907

SlipYoke Eliminator Kit, NP231, Jeep, Kit

Part Number: ROU-50-7907

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Zumbrota Drivetrain - Transfer Cases for 2003-2006 WRANGLER - RTC231J-18SYE

NP231 Transfer Case, Jeep 2003-06 TJ Wrangler, With Slip Yoke Eliminator Kit

Part Number: ZUD-S0132

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Alloy USA - Transfer Case Slip Yoke Eliminator Kits for 1987-2006 WRANGLER - 11400

ALLOY USA NP231 SLIP YOKE ELIMINATOR 87-06 WRANGLER

Part Number: ALY-11400

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

Advance Adapters Jeep Crossmember Mount Kits for 1987-1995 WRANGLER - 716008

Transfer Case Mounts, NP231, Universal, Pair

Part Number: ADD-716008

Not Yet Reviewed

Estimated Ship Date: Today

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USA Standard Gear Transfer Case Rebuild Kits ZTBK231

Transfer Case Rebuild Kits, NP231 T-CASE BEARING KIT, WIDE INPUT BRG

Part Number: SPZ-73873

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Skyjacker Transfer Case Indexing Rings for 1994-2004 RAM 1500, RAM 2500, RAM 3500 - IXR10

Transfer Case Indexing Ring, NP231 Case, Dodge, Pickup, Kit

Part Number: SJA-IXR10

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

USA Standard Gear Transfer Case Synchronizer Sleeves ZTNP17823

Transfer Case Components, NP231, NP241, NP271 & NP273 T-CASE MODE SCYCHRO SLEEVE

Part Number: SPZ-73909

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Crown Automotive Transfer Case Components for 1991-1996 CHEROKEE, 1991-1992 COMANCHE, 1987-1995 WRANGLER - 83506065

Transfer Case Input Gear 1987-1990 YJ Wrangler w/ NP231 Transfer Case #53006093, 53006096;

Part Number: CWA-83506065

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Rugged Ridge Transfer Case Mega Slip Yoke Eliminator Kits for 1987-2006 WRANGLER - 18676.72

Slip Yoke Eliminator, Jeep, Wrangler, NP231, Each

Part Number: RGG-1867672

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Advance Adapters Transfer Case Gaskets 716511

Transfer Case Component, Transmission O Ring, TH350, TH400, Each

Part Number: ADD-716511

Not Yet Reviewed

Estimated Ship Date: Today

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Advance Adapters Transfer Case Gaskets 716572

Transfer Case Components, Advance Adapters Transfer Case Gaskets, Transfer Case to Transmission Extension Gaskets, New Process 205, Each

Part Number: ADD-716572

Not Yet Reviewed

Estimated Ship Date: Today

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Rugged Ridge Transfer Case Slip Yoke Eliminator Kits for 1987-2006 WRANGLER - 18676.6

Slip Yoke Eliminator Kit, 32-Spline, Jeep, Kit

Part Number: RGG-1867660

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Crown Automotive Transfer Case Shift Linkage Repair Kits 5014148AA

Shift Linkage Repair Kit, Transfer Case Components, Jeep, Kit

Part Number: CWA-5014148AA

1.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Crown Automotive Transfer Case Components 68001627AA

Transfer Case Component, Drain Plug, Chrysler, Dodge, Jeep, Ram, Each

Part Number: CWA-68001627AA

Not Yet Reviewed

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Crown Automotive Transfer Case Components 4338936

Oil Pump, Transfer Case Component, New Process 231, New Process 242, Each

Part Number: CWA-4338936

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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USA Standard Gear Transfer Case Bearing Kits for 1995-2001 CHEROKEE, 1995 GRAND CHEROKEE, 1995-2006 WRANGLER - ZTBK231J

Transfer Case Rebuild Kits, Transfer Case Bearing Kits, Jeep, Kit

Part Number: SPZ-72372

Not Yet Reviewed

Estimated Ship Date: Today

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Crown Automotive Transfer Case Shifter Clips J3241239

Shift Lever Clip, Jeep, Each

Part Number: CWA-J3241239

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Crown Automotive Transfer Case Components 15866

Shift Fork Inserts, Transfer Case Components, Kit

Part Number: CWA-15866

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Crown Automotive Driveshaft Yokes for 1987-1995 WRANGLER - 83502829

Yoke, Transfer Case Location, 27-spline Inner, Steel, Front, New Process 207, New Process 231, Each

Part Number: CWA-83502829

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Crown Automotive Transfer Case Components 4167964

Selector Shaft Seal, Transfer Case Component, New Process 231, New Process 242, Jeep, Each

Part Number: CWA-4167964

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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