Engine Kits & Rotating Assemblies

Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025KA

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-6K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10042-4K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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

Part Number: NTI-NA-10007-2K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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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: Apr 9, 2026 if ordered today

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

Part Number: NTI-FX-40045K2

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-6K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

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

Part Number: NTI-NA-10007-3K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END KIT FORGED 77.97/+0.01 11:1 HUSQ/KTM

Part Number: NTI-FX-70090-BK

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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Estimated Ship Date: Apr 8, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20065-2K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Repair Kit, Top End, 68.45mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-4K

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Repair Kit, Top End, 89.98mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043-2K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-3K

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Estimated Ship Date: Apr 9, 2026 if ordered today

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