Engine Rotating Assemblies & Rebuild Kits

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: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2007-2009 CRF150R, CRF150R EXPERT - 422-10004K

STD BORE KIT

Part Number: CLW-10004-K01

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Cylinders for 2006-2014 TRX450ER ELECTRIC START, 2006-2009 TRX450R - 422-10005

Cylinder Kit, Aluminum, 96.00mm Bore, for use on Honda®, Set

Part Number: CLW-10005

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2004-2009 CRF250R, 2004-2017 CRF250X - 422-11001K

Big Bore Cylinder Kit, Forged Piston, 81mm Bore, for use on Honda®, Motorcycle, Kit

Part Number: CLW-11001-K01

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - 422-20001KHC

Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2005-2013 WR250F, 2005-2007 YZ250F - 422-20002K2

Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K02

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2008-2013 YZ250F - 422-20002K3

Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K03

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits 422-20003K2

Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 12.00 to 1 Compression Ratio, Kit

Part Number: CLW-20003-K02

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2016-2018 WR450F, YZ450FX, 2014-2017 YZ450F - 422-20005K2

CYL WORKS STD BORE KIT YZ450F

Part Number: CLW-20005-K02

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2018-2019 WR250F, 2016-2019 YZ250F - 422-20010K2

Top End Engine Kit STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K02

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2006-2008 KX250F - 422-30001K2

Standard Bore Cylinder Kit, Forged Piston, 77mm Bore, Kawasaki, Motorcycle, Kit

Part Number: CLW-30001-K02

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2011-2014 KX250F - 422-30006K

Cylinder Kit, Forged Aluminum, Standard Bore, Kawasaki, KX250F, Set

Part Number: CLW-30006-K01

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Cylinders 422-40001

Cylinder Kit, Aluminum, 90.00mm Bore, Arctic Cat, Kawasaki, Suzuki, Set

Part Number: CLW-40001

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2011-2012 350 SX-F, 2012 350 XC-F - 422-50001K

Cylinder Kit, Forged Piston, 2.00mm Oversize Bore, KTM, 13.50 to 1 Compression Ratio, Kit

Part Number: CLW-50001-K01

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2005-2012 250 SX-F, 2007-2012 250 XC-F, 2006-2013 250 XCF-W - 422-50002K

Cylinder Kit, Forged Piston, 4.00mm Oversize Bore, KTM, 12.80 to 1 Compression Ratio, Kit

Part Number: CLW-50002-K01

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Cylinders for 2009-2017 65 SX - 422-50005

Cylinder Kit, Aluminum, 45.00mm Bore, KTM, Set

Part Number: CLW-50005

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2005-2012 250 SX-F, 2007-2012 250 XC-F, 2006-2013 250 XCF-W - 422-51002K

Cylinder Kit, Forged Aluminum, 4.00mm Oversize Bore, KTM, Set

Part Number: CLW-51002-K01

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits 422-61003K

Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS 1000 RZR XP '14-15

Part Number: CLW-61003-K01

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - 422-23001K

Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, YFZ450, Set

Part Number: CLW-23001-K01

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - NA-40009-BK

Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Clevite Engine Parts Engine Rebuild Kits 459-5525/1 STD

HD IN-FRAME KIT

Part Number: CLE-45955251STD

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Clevite Engine Parts Engine Rebuild Kits 468-5149 STD

HD IN-FRAME KIT

Part Number: CLE-4685149STD

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Estimated Ship Date: Aug 4, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-11001-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-2K

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-20003-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003-2K

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-30008-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-4K

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Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today