Engine Kits & Rotating Assemblies

Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: Oct 31, 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: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

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Estimated Ship Date: Oct 31, 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-40025K

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Estimated Ship Date: Oct 31, 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: Oct 31, 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: Oct 31, 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: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-70036K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K

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Estimated Ship Date: Oct 31, 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: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

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Estimated Ship Date: Oct 31, 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: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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Estimated Ship Date: Oct 31, 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: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20017K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 66.360mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-BK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 66.370mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-CK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20030-BK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0045

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Estimated Ship Date: Oct 22, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

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Estimated Ship Date: Oct 31, 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: Oct 27, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC22983A

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Estimated Ship Date: Oct 31, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23104

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Estimated Ship Date: Oct 31, 2025 if ordered today

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