Engine Rotating Assemblies & Rebuild Kits

Cylinder Works Big Bore Cylinder Kits 422-51006K

Top End Engine Kit, CYL WORKS BIG BORE KIT HUSQVAR

Part Number: CLW-51006-K01

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

Vertex Top-End Piston Kits for 2003-2005 RM250 - VTK22854B

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22854B

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

Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010-BK

Repair Kit, Top End, 52.510mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20010-BK

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

Namura Technologies Top-End Repair Kits NA-50003-2K

Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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

Namura Technologies Top-End Repair Kits for 1995-2003 TRX400FW FOREMAN 4X4 - NA-10001-3K

TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

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

Namura Technologies Top-End Repair Kits NA-50019-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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

Scat Engine Rotating Assemblies 1-94412BE-040

Engine Rotating Kit, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Cleveland, Kit

Part Number: SCA-194412BE040

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3480110000

Engine Kit, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 350, Kit

Part Number: SES-3480110000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Cylinder Works Standard Bore Cylinder Kits for 2007-2008 CRF450R - 422-10002K2

CYLINDER, CYL WORKS STD BORE KIT CRF450R

Part Number: CLW-10002-K02

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Cylinder Works Standard Bore Cylinder Kits for 2013-2016 CRF450R - 422-10006K2

STD BORE KIT

Part Number: CLW-10006-K02

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

Cylinder Works Standard Bore Cylinder Kits 422-60002K

Top End Engine Kits CYL WORKS STD BORE KIT POLARIS CYL WORKS STD BORE KIT POLARIS 800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002-K01

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2015-2018 YFM700 RAPTOR, YFM700R RAPTOR, YFM700R RAPTOR SE - 422-21004K2

Top End Engine Kits RAPTOR +3MM BIG BORE KIT RAPTOR +3MM BIG BORE KIT

Part Number: CLW-21004-K02

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

Cylinder Works Standard Bore Cylinder Kits for 2002-2008 CRF450R - 422-10002KH

Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 12.50 to 1 Compression Ratio, Kit

Part Number: CLW-10002-K01HC

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

Cylinder Works Big Bore Cylinder Kits 422-61002K2

BIG BORE KIT

Part Number: CLW-61002-K02

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

Hot Rods Complete Bottom End Rebuild Kits for 2007-2008 144 SX, 2009-2014 150 SX, 2010-2014 150 XC - CBK0063

Rebuild Kit, Complete Bottom End, KTM, 144 SX, 150 SX, 150 XC, Kit

Part Number: HRI-CBK0063

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2016-2018 WR450F, YZ450FX, 2014-2017 YZ450F - 422-21005K2

CYL WORKS BIG BORE KIT YZ450F

Part Number: CLW-21005-K02

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

Namura Technologies Top-End Repair Kits for 2002-2018 YZ85 - NX-40085K

Repair Kit, Top End, 47.44mm Bore, 8.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40085K

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

Namura Technologies Top-End Repair Kits for 2003-2006 KFX50, 2002-2005 LT-A50 QUADMASTER - NA-30050K1

TOP END REPAIR KIT

Part Number: NTI-NA-30050K1

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

Namura Technologies Top-End Repair Kits NA-10042-2K

Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

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

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40002K

Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

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

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-4K

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

Hot Rods Complete Bottom End Rebuild Kits for 2013-2016 CRF450R - CBK0191

COMPLETE BOTTOM END KT

Part Number: HRI-CBK0191

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2015-2016 KX250F - 422-30006K2

STANDARD BORE CYLINDER KIT

Part Number: CLW-30006-K02

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

Hot Rods Complete Bottom End Rebuild Kits CBK0124

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0124

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0152

Rebuild Kit, Complete Bottom End, Yamaha, YFM660F, YXR66F, Kit

Part Number: HRI-CBK0152

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today