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12_addd361b-3195-4ba4-afbb-b11846f9d417 - Northline Parts

Big Bore Cylinder Piston Rings Top End Kit For Honda TRX400EX 1999-2008

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$141.99
Sale price  $141.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Big Bore Cylinder Piston Rings Top End Kit For Honda TRX400EX 1999-2008

Upgrade your ATV's power and reliability with this premium aftermarket big bore cylinder piston rings top end kit. Specifically engineered for the Honda TRX400EX, this comprehensive kit provides everything you need for a high-performance engine rebuild, ensuring your machine is ready for the toughest trails.

Key Features & Benefits

  • Enhanced big bore design for increased displacement and power
  • Durable construction using high-grade materials for long-lasting performance
  • Complete top end solution for a more efficient rebuild process
  • Precision-engineered components for a reliable aftermarket fit

Compatible Models

  • Honda TRX400EX (1999-2008)

Product Specifications

  • Part Type: Big Bore Top End Rebuild Kit
  • Fitment: Aftermarket
  • Components Included: Cylinder, Piston, Rings, Wrist Pin, Circlips, and Gaskets
  • Material: High-strength alloy and durable gasket materials

Frequently Asked Questions

Is this an OEM part? No, this is a high-quality aftermarket replacement part designed to meet or exceed the performance of the original component.

How do I confirm compatibility? Please ensure your vehicle matches the years and models listed above and check your machine's serial number for specific fitment requirements.


Important: This is an aftermarket replacement part sold by Northline Tools. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.

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