Engine Kits & Rotating Assemblies

Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-2K

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Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011K

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-4K

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Estimated Ship Date: Nov 21, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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Estimated Ship Date: Nov 21, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50070-CK1

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Estimated Ship Date: Nov 21, 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: Nov 21, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K1

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Estimated Ship Date: Nov 21, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23127B

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Estimated Ship Date: Nov 21, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23623B

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Estimated Ship Date: Nov 21, 2025 if ordered today

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BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

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Estimated Ship Date: Nov 21, 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: Nov 14, 2025 if ordered today

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

Part Number: NTI-FX-10045-BK

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Estimated Ship Date: Nov 20, 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: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 90.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-2K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 85.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-2K

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Estimated Ship Date: Nov 20, 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: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 76.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-4K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

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Estimated Ship Date: Nov 20, 2025 if ordered today

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