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Engine Big Bore Top End Gasket For Honda TRX400EX TRX 400EX 440 1999-2004 89MM
$24.99
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$24.99
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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
Engine Big Bore Top End Gasket For Honda TRX400EX TRX 400EX 440 1999-2004 89MM
Ensure a perfect seal and peak performance for your high-powered machine with this premium aftermarket big bore top end gasket. Specifically designed for 89mm bore applications, this gasket provides the reliability and durability required for engine rebuilds and performance upgrades on your Honda TRX400EX. This is a high-quality aftermarket replacement part, offering a dependable alternative to OEM components.
Key Features & Benefits
- Precision engineered for 89mm big bore engine configurations
- Manufactured from high-grade materials to withstand extreme heat and pressure
- Provides a reliable, leak-free seal for the cylinder head
- High-quality aftermarket construction for long-lasting service life
- Direct fit replacement for easy installation during top-end maintenance
Compatible Models
- Honda TRX400EX (1999-2004)
- Honda TRX 400EX 440 Big Bore Kits
Product Specifications
- Bore Size: 89mm
- Component Type: Top End Gasket
- Material: High-performance composite
- Fitment: Aftermarket
Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance of the original equipment.
How do I confirm compatibility?
Please verify that your engine is equipped with an 89mm big bore kit and matches the 1999-2004 TRX400EX model years before ordering.
Important: This is an aftermarket replacement part sold by Northline Parts. 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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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.