Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-40002-2K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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• Special Order

Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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• Special Order

Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003K

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20080K1

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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Repair Kit, Top End, 53.960mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001-CK

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015K

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

Repair Kit, Top End, 47.46mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081-CK

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080-CK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000-2K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-2K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40002-8K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10051-2K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20010-CK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20080-CK1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40000-CK1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40008-4K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order