2019 Engine Kits & Rotating Assemblies

BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-4K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-6K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40009-CK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020-BK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020-CK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-10014K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-1K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Repair Kit, Top End, 89.98mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043-2K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013K

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Estimated Ship Date: Mar 16, 2026 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: Mar 16, 2026 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: Mar 16, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-BK

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-2K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-80005K

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Estimated Ship Date: Mar 16, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Highlighted Cylinders

Part Number: SSY-910-0843

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders

Part Number: SSY-910-0844

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0846

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Black Granite w/ Highlight

Part Number: SSY-910-0847

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Estimated Ship Date: Feb 25, 2026 if ordered today

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