Engine Kits & Rotating Assemblies

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

Part Number: NTI-NX-40025-CK

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Special Order

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: Sep 4, 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-40025KA

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70051K2

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 90.960mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-4K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 85.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-4K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 84.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-6K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

PISTON KIT - 195CC BORE KIT

Part Number: BRM-411-HCF-1911

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

88CC BIG BORE PISTON KIT

Part Number: BRM-411-HXR-5411

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010K

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10026K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Repair Kit, Top End, 76.950mm Bore, 13.50 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20031K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order

Repair Kit, Top End, 66.34mm Bore, 8.70 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30027K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40026-CK

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Repair Kit, Top End, 86.48mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20062K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order

Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit

Part Number: NTI-NA-20065K

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014-BK

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Free Shipping
• Special Order