2025 Engine Kits & Rotating Assemblies

Repair Kit, Top End, 68.45mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027K

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Estimated Ship Date: May 1, 2026 if ordered today

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TOP END KIT FORGED 76.96/STD 11:1 SUZ

Part Number: NTI-FX-30039K

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Estimated Ship Date: Apr 29, 2026 if ordered today

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TOP END KIT FORGED 76.95/STD YAM

Part Number: NTI-FX-40050K

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Estimated Ship Date: Apr 29, 2026 if ordered today

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TOP END KIT 92.97/+0.01 11:1 POL

Part Number: NTI-NA-50098-BK

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Estimated Ship Date: Apr 30, 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: May 1, 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: May 1, 2026 if ordered today

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TOP END KIT NIKASIL CYL 46.95/STD HUSQ/KTM

Part Number: NTI-NX-70106K

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Estimated Ship Date: Apr 29, 2026 if ordered today

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TOP END KIT NIKASIL CYL 46.96/+0.01 HUSQ/KTM

Part Number: NTI-NX-70106-BK

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Estimated Ship Date: Apr 29, 2026 if ordered today

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TOP END KIT 43.45/+0.01 11:1 YAM

Part Number: NTI-NX-40097-BK

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Estimated Ship Date: Apr 30, 2026 if ordered today

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TOP END KIT 92.98/+0.02 11:1 POL

Part Number: NTI-NA-50098-CK

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

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Estimated Ship Date: May 1, 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: May 1, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-CK

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Estimated Ship Date: May 1, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

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Estimated Ship Date: May 1, 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: May 1, 2026 if ordered today

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Repair Kit, Top End, 86.48mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043K

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Estimated Ship Date: May 1, 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: May 1, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-4K

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Estimated Ship Date: May 1, 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: May 1, 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: May 1, 2026 if ordered today

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