Engine Kits & Rotating Assemblies

Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: NTI-NX-40025K

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Drop Ship
• 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: Oct 2, 2025 if ordered today

• Special Order

Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Repair Kit, Top End, 47.44mm Bore, 8.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40085K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020-BK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70051K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-90000K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 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: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

Piston, NAMURA PISTON KIT

Part Number: NTI-NA-50081

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10000-4K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK1

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 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: Oct 3, 2025 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: Oct 3, 2025 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: Oct 3, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-CK

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-4K

Not Yet Reviewed

Estimated Ship Date: Oct 3, 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: Oct 3, 2025 if ordered today

• Special Order