Engine Kits & Rotating Assemblies

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

Part Number: NTI-NA-40004-2K

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• 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: Aug 18, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-4K

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22481CD

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22803B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 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: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23127B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23510B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC24258

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22809B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22854B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22863B-1

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926C

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22991A

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23133B

Not Yet Reviewed

Estimated Ship Date: Aug 14, 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: Aug 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-4293

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

• Drop Ship
• Special Order

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: Aug 15, 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: Aug 15, 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-40025K

Not Yet Reviewed

Estimated Ship Date: Aug 15, 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: Aug 15, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 78.96mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-2K

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

• Drop Ship
• Special Order