For Honda TRX400EX Big Bore Cylinder Piston Gasket Kit 1999-2008 89mm 440cc

Big Bore Cylinder Piston Gasket Kit for Honda TRX400EX

This 89mm 440cc big bore cylinder piston gasket kit for Honda TRX400EX provides the top end components needed to rebuild the engine with increased displacement.

Overview

This big bore cylinder piston gasket kit for Honda TRX400EX delivers the parts needed for a complete top end rebuild on 1999-2008 models. The 89mm bore and 440cc displacement increase power output while refreshing worn cylinder and piston components. It is designed for riders and mechanics performing a full engine rebuild.

Built For Performance

• 89mm bore size for increased displacement
• 440cc big bore configuration
• Complete gasket set for top end reassembly
• Piston and cylinder matched as a kit
• Direct fitment for 1999-2008 Honda TRX400EX

Fits These Machines

• for Honda TRX400EX 1999
• for Honda TRX400EX 2000
• for Honda TRX400EX 2001
• for Honda TRX400EX 2002
• for Honda TRX400EX 2003
• for Honda TRX400EX 2004
• for Honda TRX400EX 2005
• for Honda TRX400EX 2006
• for Honda TRX400EX 2007
• for Honda TRX400EX 2008

On-The-Job Use

• Top end engine rebuilds
• Displacement increase projects
• Worn piston or cylinder replacement
• ATV performance builds

Specs At A Glance

Good To Know

Q: Does this kit include the piston and cylinder? A: Yes, this big bore kit includes the cylinder, piston, and gasket set for a top end rebuild.

Q: Will this fit my 2005 TRX400EX? A: This kit is listed for 1999-2008 TRX400EX models, but confirm serial number compatibility before ordering.

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