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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.

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Results 1 - 25 of 113

Pro-X Racing Parts Friction Clutch Plates for 1994-1996 KX125 - 16.S42013

ProX Friction Plate Set KX125 '94-96

Part Number: PXR-16-S42013

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

Renthal Ultralight Rear Sprockets 112U-520-50GEHA

Renthal 94-23 Kaw KX125/250/F/450/F/X/ KLX250/300R/450F/R Rear Sprocket LTD Ed.- HAnod 520-50 Teeth

Part Number: REN-S0050

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

Wiseco Powersports Clutches, Kits and Assemblies WPPF094

Clutch Basket, Accessory, Frict Plate KX125 '85-87 + KDX200 '86-88

Part Number: WIS-WPPF094

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Wiseco Powersports Clutches, Kits and Assemblies WPPS058

Clutch Basket, Accessory, Steel Plate KX125 '85-87 + KDX200 '86-87

Part Number: WIS-WPPS058

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

ProTaper Front Sprockets for 1992-2005 KX125 - 038391

ProTaper 92-05 Kawasaki KX125 Front Sprocket - 13 Teeth

Part Number: TAP-038391

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Renthal Ultralight Rear Sprockets 112U-520-48GESI

Sprocket, Rear, Aluminum, Silver Anodized, 48-Tooth, 520 Chain Size, Kawasaki, Suzuki, Each

Part Number: REN-112U52048ESI

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

All Balls Racing Wheel and Carrier Bearing Seal Kits 22-51079

Wheel Bearing and Seal Kit, Beta, Gas Gas, Kawasaki, Suzuki, Kit

Part Number: ALB-25-1079

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

All Balls Racing Chain Rollers 22-95001

Drive Chain Roller, 34.00mm Diameter, Polyurethane, Black, for use on Honda®, Arctic Cat, Gas Gas, Husqvarna, Kawasaki, Polaris, Suzuki, Yamaha, Each

Part Number: ALB-79-5001

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Renthal Ultralight Rear Sprockets 112U-520-46GESI

Sprocket RENT REAR SPRKT SIL 520-46 SIL

Part Number: REN-801155

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

Motion Pro Standard Black Vinyl Clutch Cables for 2004-2005 KX125 - 03-0346

Clutch Cable, Adjustable, Kawasaki, Each

Part Number: MNP-03-0346

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Acerbis Chain Guide Inserts for 2003-2005 KX125, 2003-2007 KX250 - 20815-00001

Chain Guide, Polypropylene, Black, Kawasaki, Each

Part Number: ACB-2081500001

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

All Balls Racing Chain Rollers 22-95002

Drive Chain Roller, 38.00mm Diameter, Polyurethane, Black, for use on Honda®, Kawasaki, Suzuki, Yamaha, Each

Part Number: ALB-79-5002

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Renthal Ultralight Rear Sprockets 112U-520-47GESI

Sprocket, Rear, Aluminum, Silver Anodized, 47-Tooth, 520 Chain Size, Kawasaki, Suzuki, Each

Part Number: REN-112U52047ESI

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Wiseco Clutch Cushions W6243-8

Basket Cushions, Clutch Components, Kawasaki, Yamaha, Set of 8

Part Number: WIS-W6243-8

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

EBC CSK Clutch Springs CSK97

EBC HVY DUTY SPRING KIT: CSK97

Part Number: EBP-CSK97

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

BikeMaster Sprockets 24046045

BM REAR SPROCKET 520 45T

Part Number: BKM-24046045

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

EBC DRC Dirt Racer Clutch Kits for 1992 KX125 - DRC83

DIRT RACER CLUTCH SET: DRC83

Part Number: EBP-DRC83

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

Renthal Twinring Sprockets 1120-520-49GPGN

RENT REAR TWINRING 520-49

Part Number: REN-112052049GPG

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

Pro-X Racing Parts Clutch Spring Kits for 2004 RMZ250, KX250F, 2003-2005 KX125 - 17.CS42015

Powersports Clutch Components, Clutch Spring, Kawasaki, Suzuki, Kit

Part Number: PXR-17-CS42015

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

Cometic Powersport Gaskets Axle and General Purpose Seals OS241

Cometic Powersport Gaskets Axle and General Purpose Seals OS241

Output Shaft Seal

Part Number: CPG-OS241

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

All Balls Racing Wheel and Carrier Bearing Seal Kits 22-51194

BRNG/SEAL KIT, FRT KFX50/

Part Number: ALB-25-1194

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Motion Pro Standard Black Vinyl Clutch Cables for 1995-1996 KX125 - 03-0250

Clutch Cable, Adjustable, Kawasaki, Each

Part Number: MNP-03-0250

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

All Balls Racing Wheel and Carrier Bearing Seal Kits 22-51406

Wheel Bearing and Seal Kit, Aprilia, BMW, Kawasaki, KTM, Suzuki, Yamaha, Kit

Part Number: ALB-25-1406

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Motion Pro Standard Black Vinyl Clutch Cables for 1997-1998 KX125 - 03-0290

Clutch Cable, Adjustable, Kawasaki, Each

Part Number: MNP-03-0290

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

EBC CSK Clutch Springs for 1997-2002 KX125 - CSK65

EBC HVY DUTY SPRING KIT: CSK65

Part Number: EBP-CSK65

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

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