Engine Kits & Rotating Assemblies

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: Nov 24, 2025 if ordered today

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

Part Number: NTI-NX-40025K

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Estimated Ship Date: Nov 24, 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: Nov 24, 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: Nov 24, 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: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005-CK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70007-BK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020K

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Estimated Ship Date: Nov 24, 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: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

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Estimated Ship Date: Nov 24, 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-50003K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-6K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-CK1

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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: Nov 24, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-CK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: NTI-NX-20013K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Repair Kit, Top End, 47.950mm Bore, 9.40 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20080K

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Estimated Ship Date: Nov 24, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20085-CK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-BK

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Estimated Ship Date: Nov 24, 2025 if ordered today

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