Engine Kits & Rotating Assemblies

Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10042-4K

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Estimated Ship Date: Feb 19, 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: Feb 19, 2026 if ordered today

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Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Estimated Ship Date: Feb 19, 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: Feb 19, 2026 if ordered today

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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: Feb 19, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K2

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END KIT 87.97/+0.01 HUSQ/KTM

Part Number: NTI-NX-70062-BK3

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END KIT 87.96/STD HUSQ/KTM

Part Number: NTI-NX-70062K2

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

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Estimated Ship Date: Feb 19, 2026 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: Feb 19, 2026 if ordered today

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TOP END KIT 71.95/+0.01 11:1 KTM

Part Number: NTI-NX-70034-BK1

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Estimated Ship Date: Feb 19, 2026 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: Feb 19, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70047K

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

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Estimated Ship Date: Feb 19, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K

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Estimated Ship Date: Feb 19, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22809B

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Estimated Ship Date: Feb 19, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926B-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23133B

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Estimated Ship Date: Feb 19, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

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Estimated Ship Date: Feb 19, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Feb 19, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CR85R, CR85RB Expert, Kit

Part Number: HRI-CBK0104

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

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Estimated Ship Date: Feb 18, 2026 if ordered today

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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: Feb 18, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-6K

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Estimated Ship Date: Feb 18, 2026 if ordered today

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