Engine Rotating Assemblies & Rebuild Kits

TOP END REPAIR KIT

Part Number: NTI-NX-90000K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-10045-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 90.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 78.96mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 86.73mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-1K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 101.980mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015-4K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40019-4K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40019K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50025K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Piston, NAMURA PISTON KIT

Part Number: NTI-NA-50081

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20060-CK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20080-CK1

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20080-CK2

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20085-BK

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-6K

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order