Engine Kits & Rotating Assemblies

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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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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Estimated Ship Date: Sep 15, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

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Estimated Ship Date: Sep 15, 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: Sep 15, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK1

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40010-6K

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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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Estimated Ship Date: Sep 15, 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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Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013K

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TOP END KIT HYPERDRYVE 103.97/+1.00 YAM

Part Number: NTI-NA-40025-4K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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TOP END KIT HYPERDRYVE 102.97/STD YAM

Part Number: NTI-NA-40025K

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TOP END REPAIR KIT

Part Number: NTI-NA-30053K

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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: Sep 15, 2025 if ordered today

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Repair Kit, Top End, 89.97mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002-BK

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Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

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Estimated Ship Date: Sep 10, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10008-4K

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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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TOP END KIT HYPERDRYVE 103.47/+0.50 YAM

Part Number: NTI-NA-40025-2K

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

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Estimated Ship Date: Sep 15, 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: Sep 15, 2025 if ordered today

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