2023 Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-30053K

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Estimated Ship Date: Jan 26, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 4.250in Bore Unhoned Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0740

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Estimated Ship Date: Jan 21, 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: Jan 26, 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: Jan 26, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Jan 26, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

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Estimated Ship Date: Jan 26, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Jan 23, 2026 if ordered today

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VERTEX PISTON KT HC FORGED

Part Number: VPX-24028A

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Estimated Ship Date: Jan 23, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24259050

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Estimated Ship Date: Jan 23, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-082

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Estimated Ship Date: Jan 23, 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: Jan 23, 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: Jan 23, 2026 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: Jan 23, 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: Jan 23, 2026 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

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Estimated Ship Date: Jan 23, 2026 if ordered today

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PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

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Estimated Ship Date: Jan 26, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1225

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Estimated Ship Date: Jan 21, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-2K

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Estimated Ship Date: Jan 21, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-055

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: NTI-NA-20005K

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Kawasaki, Kit

Part Number: VPX-WR101-051

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Estimated Ship Date: Jan 6, 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: Jan 6, 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: Jan 6, 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: Jan 6, 2026 if ordered today

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