2011 Engine Kits & Rotating Assemblies

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-6K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026-2K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-80002K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: NTI-NX-40025-BKA

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: NTI-NX-40025-CKA

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Estimated Ship Date: Jan 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K2

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Repair Kit, Top End, 83.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-4K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: NTI-NA-20005K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 89.96mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002K

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Estimated Ship Date: Jan 15, 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: Jan 15, 2026 if ordered today

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