Namura Big Bore Top End Gasket Kit for Honda TRX400EX & TRX400X Sportrax 440cc

Big Bore Top End Gasket Kit for Honda

This top end gasket kit is designed for Honda TRX400EX and TRX400X Sportrax models with 440cc big bore cylinders.

Overview

The Namura big bore top end gasket kit provides all necessary gaskets for rebuilding the top end of Honda TRX400EX and TRX400X Sportrax engines. This gasket kit ensures a proper seal for 440cc big bore applications, making it a reliable choice for performance rebuilds.

Built For Performance

• Includes head gasket, base gasket, and all top end seals
• Manufactured from high-quality materials for durability
• Precision cut for accurate fitment
• Designed specifically for 440cc big bore cylinders

Fits These Machines

• for Honda TRX400EX
• for Honda TRX400X Sportrax

On-The-Job Use

• Engine rebuilding and top end overhauls
• Performance upgrades with big bore kits
• Replacing worn or damaged gaskets

Specs At A Glance

Good To Know

Q: Will this gasket kit work with stock cylinder? A: This gasket kit is designed for big bore 440cc applications and may not fit stock cylinder dimensions; verify before purchase.

Q: Are all gaskets included? A: Yes, the kit includes all necessary top end gaskets for a complete rebuild.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.