Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-30080K

Not Yet Reviewed

Estimated Ship Date: Oct 1, 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: Oct 15, 2025 if ordered today

• Special Order

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: Oct 13, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 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 20, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20080K1

Not Yet Reviewed

Estimated Ship Date: Oct 6, 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: Oct 20, 2025 if ordered today

• Special Order

Repair Kit, Top End, 47.940mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

• Special Order

Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 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: Oct 21, 2025 if ordered today

• Special Order

Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

Not Yet Reviewed

Estimated Ship Date: Oct 21, 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 21, 2025 if ordered today

• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3936

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70007-BK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020-CK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-CK

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Repair Kit, Top End, 47.950mm Bore, 9.40 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20080K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10026K1

Not Yet Reviewed

Estimated Ship Date: Oct 20, 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: Oct 20, 2025 if ordered today

• Special Order

Repair Kit, Top End, 68.95mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10025-2K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-2K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-30080-4K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order