Engine Kits & Rotating Assemblies

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 22, 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: Sep 22, 2025 if ordered today

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Repair Kit, Top End, 84.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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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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Estimated Ship Date: Sep 23, 2025 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: Sep 23, 2025 if ordered today

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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: Sep 23, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

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Estimated Ship Date: Sep 23, 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-40025KA

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Estimated Ship Date: Sep 23, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40032K

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Repair Kit, Top End, 86.73mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-1K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

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Estimated Ship Date: Sep 23, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40004-4K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40008-4K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Repair Kit, Top End, 85.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-4K

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-BK

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Estimated Ship Date: Sep 23, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-CK

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Estimated Ship Date: Sep 23, 2025 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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Estimated Ship Date: Sep 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Marine Engine Service Kit, Outboard Engine Maintenance, OE 29580, Mercury, Kit

Part Number: RRA-18-9242

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Estimated Ship Date: Oct 3, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BK

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-CK

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Estimated Ship Date: Sep 23, 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: Sep 23, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029K3

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Estimated Ship Date: Sep 23, 2025 if ordered today

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