Engine Rotating Assemblies & Rebuild Kits

Namura Technologies Top-End Repair Kits for 1992-2002 CR80R, 1996-2002 CR80RB EXPERT - NX-10080K1

Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 2007-2016 CRF150R, CRF150R EXPERT - CBK0111

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

Part Number: HRI-CBK0111

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 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

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2007-2015 WR450F, 2006-2009 YZ450F - 422-21003K

Big Bore Cylinder Kit, Forged Piston, 98mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21003-K01

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-50000-4K

Repair Kit, Top End, 72.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-4K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2012-2023 CRF150R, CRF150R EXPERT - 422-10004K2

STD BORE KIT

Part Number: CLW-10004-K02

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50025-4K

TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits 422-20104K2

Top End Engine Kits CYL WORKS STD BORE KIT YAMAHA CYL WORKS STD BORE KIT YAMAHA 700 GRIZZLY/VIKING '14-15

Part Number: CLW-20104-K02

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 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: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

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

Repair Kit, Top End, 52.500mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20010K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2003 KX250 - NX-20025K

Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 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

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2004-2005 TRX450R - 422-11003K

Big Bore Cylinder Kit, Forged Piston, 97mm Bore, for use on Honda®, ATV, Kit

Part Number: CLW-11003-K01

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2015-2016 WR250F, YZ250FX, 2014-2016 YZ250F - 422-20010K

STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K01

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10001-1K

TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1985-2003 KX60 - NX-20060K

Repair Kit, Top End, 42.950mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20060K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2000 RM250 - NX-30024K1

Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K1

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2007 TRX400FA FOURTRAX RANCHER AT, TRX400FGA FOURTRAX RANCHER AT GPSCAPE - NA-10040K

Repair Kit, Top End, 84.97mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040K

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Power Valve Kits for 1999-2023 YZ250, 2022-2023 YZ250 MONSTER ENERGY YAMAHA RACING EDITION - 422-2001PV

Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Power Valve Kits for 1999-2023 YZ250, 2022-2023 YZ250 MONSTER ENERGY YAMAHA RACING EDITION - 422-2002PV

Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits 422-61002K

Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS RZR 800

Part Number: CLW-61002-K01

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2007-2009 CRF150R, CRF150R EXPERT - 422-11004K

BIG BORE KIT

Part Number: CLW-11004-K01

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 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: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2013-2015 350 SX-F, 350 XC-F - 422-50003K

STD BORE KIT

Part Number: CLW-50003-K01

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 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: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today