Engine Kits & Rotating Assemblies

Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Estimated Ship Date: Dec 1, 2025 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: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40007K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 84.420mm Bore, 9.10 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40008K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 101.980mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012-BK

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BKA

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-CKA

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Estimated Ship Date: Dec 1, 2025 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: Dec 1, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-70036K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K2

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10026K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10026K1

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10027K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-4K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10046K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: NTI-NA-20000-4K

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Estimated Ship Date: Dec 1, 2025 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: Dec 1, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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Estimated Ship Date: Dec 1, 2025 if ordered today

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