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 27, 2025 if ordered today

• Drop Ship
• 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 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

Not Yet Reviewed

Estimated Ship Date: Oct 27, 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: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70004-BK

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015-6K

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• 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: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 53.950mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-BK

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70047K

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70051K2

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003-2K

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6543, Kawasaki, Kit

Part Number: RRA-7-09735

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6535A, Kawasaki, Kit

Part Number: RRA-7-09737

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6525, Kawasaki, Kit

Part Number: RRA-7-09738

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3949

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3960

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3963

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3978

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-4293

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT 66.47/+0.50 11:1 SUZ

Part Number: NTI-NA-30006-2K

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• 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: Oct 27, 2025 if ordered today

• Drop Ship
• Special Order