Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

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

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10027-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Piston and Ring Kits 185-F4033

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40033K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 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

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-2K

Repair Kit, Top End, 90.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-2K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-6K

Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Piston and Ring Kits 185-F1035B

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-10035-BK

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Piston and Ring Kits 185-F1035

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-10035K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-20005-4K1

Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-20005-4K1

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2009 KVF360 PRAIRIE 2X4, 2003-2012 KVF360 PRAIRIE 4X4 - NA-20036-2K

Repair Kit, Top End, 67.47mm Bore, 8.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20036-2K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-20036-4K

TOP END REPAIR KIT

Part Number: NTI-NA-20036-4K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-10025-2K

TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-BK

Repair Kit, Top End, 66.360mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-BK

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Estimated Ship Date: May 28, 2025 if ordered today

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

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-20030-BK

TOP END REPAIR KIT

Part Number: NTI-NX-20030-BK

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2005 KX250F, 2004-2006 RM250 - NX-20030K

Repair Kit, Top End, 76.950mm Bore, 12.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-50011-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-2K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50011-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-6K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50011K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Piston and Ring Kits 185-70293

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029K3

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2001 YZ250 - NX-40025-CK

Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CK

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2022 YZ250, 2022 YZ250 MONSTER ENERGY YAMAHA RACING EDITION, 2017-2022 YZ250X - NX-40025-CKA

Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Namura Powersports Top End Engine Kits NA-50091-CK

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-CK

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50091K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

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Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

Vertex Top-End Piston Kits for 2003 CR125R - VTK22685C-1

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

Not Yet Reviewed

Estimated Ship Date: May 27, 2025 if ordered today

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Estimated Ship Date: May 27, 2025 if ordered today