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Honda TRX400EX 1999-2008 89MM 440CC Big Bore Cylinder Piston Top End Kit

Honda TRX400EX 1999-2008 89MM 440CC Big Bore Cylinder Piston Top End Kit

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The Aftermarket Parts Specialists

$163.99
Sale price  $163.99 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

Product Overview

Enhance your Honda TRX400EX 1999-2008 with this 89MM 440CC Big Bore Cylinder Piston Top End Kit, designed for improved performance and durability. This aftermarket part offers a perfect fit and reliable power boost, ideal for riders seeking cost-effective upgrades. Please note, this is not an OEM component but a high-quality replacement built to meet or exceed OEM standards. Easy to install and engineered for long-lasting use, it’s a great choice for restoring or enhancing your ATV’s engine. Maximize your ride’s potential with this precision-crafted top end kit Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility?
Please verify that your model is listed in the compatible models section and compare any available reference part numbers with your existing component before purchase.


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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