Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50001-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

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: Jul 28, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-CK1

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.940mm Bore, 8.60 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10003K

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080-6K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.960mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-CK

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.950mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001-BK

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 47.500mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40008-2K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40008-4K

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

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: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025K

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025KA

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

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Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70007-BK

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70007K

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• 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: Jul 28, 2025 if ordered today

• 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: Jul 28, 2025 if ordered today

• Special Order