2009 Engine Kits & Rotating Assemblies

Repair Kit, Top End, 92.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-4K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Repair Kit, Top End, 91.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004K

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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-50011-4K

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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-50011-6K

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

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TOP END REPAIR KIT

Part Number: NTI-NX-40009-BK

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TOP END REPAIR KIT

Part Number: NTI-NX-40009-CK

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

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TOP END REPAIR KIT

Part Number: NTI-NA-50025K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026-2K

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TOP END REPAIR KIT

Part Number: NTI-NA-50070-CK1

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Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50070K1

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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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Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

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Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Repair Kit, Top End, 87.45mm Bore, 10.20 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30050K

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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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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003-2K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003K

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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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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-4K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-6K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20062K

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