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New 89MM Big Bore Top End Gasket Kit set for Honda TRX400EX TRX 400EX 440 Nice

New 89MM Big Bore Top End Gasket Kit set for Honda TRX400EX TRX 400EX 440 Nice

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$27.99
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

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New 89MM Big Bore Top End Gasket Kit set for Honda TRX400EX TRX 400EX 440 Nice

Upgrade your engine's performance with this high-quality 89MM big bore top end gasket kit. This premium aftermarket kit is designed specifically for big bore conversions, providing a reliable seal to handle the increased power and heat of your modified Honda TRX400EX. Whether you are rebuilding your engine or performing a 440cc upgrade, these gaskets ensure a precise fit and long-lasting durability for your off-road adventures.

Key Features & Benefits

  • Designed specifically for 89mm big bore engine configurations
  • Provides a superior seal to prevent leaks and maintain high compression
  • Constructed from high-grade materials for excellent heat resistance and longevity
  • Complete top end set including head and base gaskets for a comprehensive rebuild
  • Cost-effective aftermarket solution without compromising on quality or fitment

Compatible Models

  • Honda TRX400EX Sportrax (Big Bore 440cc Conversions)
  • Honda TRX400X (Big Bore 440cc Conversions)

Product Specifications

  • Bore Size: 89mm
  • Part Type: Top End Gasket Kit
  • Condition: Brand New
  • Fitment Type: Performance Aftermarket

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 equipment.

How do I confirm compatibility? This kit is specifically for TRX400EX models that have been bored out to 89mm (typically 440cc kits). Please verify your cylinder bore size before ordering.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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