Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

Not Yet Reviewed

Estimated Ship Date: Sep 9, 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: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-20017K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 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: Sep 9, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50070K1

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

Not Yet Reviewed

Estimated Ship Date: Sep 9, 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: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-10014K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-10043-4K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC22983A

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23104

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23311B

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Oversize $6.99
• Special Order

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23510B

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX PISTON KT HC FORGED

Part Number: VPX-23833A

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 100.470mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010-2K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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 9, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: NTI-FX-40045K

Not Yet Reviewed

Estimated Ship Date: Sep 9, 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: Sep 9, 2025 if ordered today

• Drop Ship
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23429CD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order