Big Bore Cylinder Piston Gasket Kit For Honda Sportrax TRX400EX 89MM 1999-2008
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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 Gasket Kit For Honda Sportrax TRX400EX 89MM 1999-2008
Upgrade your engine's performance with this high-quality 89mm big bore cylinder kit. Designed as a reliable aftermarket replacement for your Honda Sportrax TRX400EX, this kit provides everything you need to restore or enhance your ride's power and efficiency. Each component is engineered for durability, ensuring your ATV stays on the trails longer with improved displacement and torque.
Key Features & Benefits
- Increased Engine Displacement: The 89mm big bore design boosts power output for better acceleration and climbing.
- Complete Rebuild Kit: Includes the cylinder, piston, rings, pin, clips, and gaskets for a comprehensive top-end overhaul.
- Premium Aftermarket Quality: Built to withstand rigorous riding conditions while maintaining high performance standards.
- Direct Replacement: Engineered to fit seamlessly as an aftermarket alternative to original equipment.
Compatible Models
- 1999-2008 Honda Sportrax 400 TRX400EX
- 2009 Honda TRX400X
- 2012-2014 Honda TRX400X
Product Specifications
- Bore Size: 89mm
- Type: Big Bore Cylinder Kit
- Material: High-strength aluminum alloy and durable gasket materials
- Included: Cylinder, Piston, Piston Rings, Wrist Pin, Circlips, Head Gasket, Base Gasket
Frequently Asked Questions
Is this an OEM part?
No, this is a high-quality aftermarket part designed to meet or exceed the performance of the original equipment.
How do I confirm compatibility?
Please check your vehicle's year and model against the compatible models list and verify that your current bore size is compatible with an 89mm upgrade.
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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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.