Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.47mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-2K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40002-8K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 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: Nov 11, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20060-CK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003K

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Repair Kit, Top End, 73.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-6K

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

Repair Kit, Top End, 78.46mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007K

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-6K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40008-4K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• 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: Nov 14, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40019K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.940mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Special Order

Repair Kit, Top End, 72.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-4K

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20085-CK

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Special Order