Engine Kits & Rotating Assemblies

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

Part Number: NTI-NX-40001-BK

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

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

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-2K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-6K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

TOP END KIT 66.97/+1.00 11:1 SUZ

Part Number: NTI-NA-30006-4K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 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

TOP END REPAIR KIT

Part Number: NTI-NA-20001-6K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015K

Not Yet Reviewed

Estimated Ship Date: Nov 14, 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, 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, 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, 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