Engine Rotating Assemblies & Rebuild Kits

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

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 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 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10008-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10008-4K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10012-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10014-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10014-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10042-1K

Repair Kit, Top End, 86.73mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-1K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10043-1K

TOP END REPAIR KIT

Part Number: NTI-NA-10043-1K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10043-3K

TOP END REPAIR KIT

Part Number: NTI-NA-10043-3K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-11000-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-20000-4K

Repair Kit, Top End, 76.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-4K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000-6K

Repair Kit, Top End, 67.47mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-2K

Repair Kit, Top End, 68.97mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-4K

Repair Kit, Top End, 69.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-4K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 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

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-30014K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-30015R

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015R

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10002-6K

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003-4K

Repair Kit, Top End, 85.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-4K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2008 TRX300EX SPORTRAX, 2009 TRX300X - NA-10005-2K

Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2008 TRX300EX SPORTRAX, 2009 TRX300X - NA-10005K

Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10007-2K

Repair Kit, Top End, 78.96mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10007-3K

Repair Kit, Top End, 79.21mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-3K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40003-6K

Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40004-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40004-4K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today