Big Bore Piston Top End Kit 89mm 440cc for Honda TRX400EX (1999–2008)
Includes: - Big Bore Piston Top End Kit 89mm 440cc
Fits Models: - Honda TRX400EX
Model Years: - 1999–2008
Submodels: - TRX400EX, ATV
Engine Options: - 400cc, commonly known as TRX400EX engine
Description: This Big Bore Piston Top End Kit is designed specifically for the Honda TRX400EX, enhancing performance with an 89mm bore size that increases displacement to 440cc. Ideal for riders looking to boost their ATV's power and torque, this kit includes all necessary components for a complete top-end rebuild.
Features: - Increases engine displacement to 440cc - Designed for Honda TRX400EX models from 1999 to 2008 - Includes piston, rings, and gaskets for a complete installation - Enhances overall performance and throttle response - Precision-engineered for durability and reliability