Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 53.940mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

4.25" BIG BORE CYLINDER M8

Part Number: TWP-88186

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10014-2K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 68.45mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 89.98mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043-2K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: NTI-FX-40032-BK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 86.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-6K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 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: Jul 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 47.44mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 76.950mm Bore, 12.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: NTI-NX-40025-BKA

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40085-BK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70005-CK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020K

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Drop Ship
• Special Order