Wiseco Pistons PWR131B870 Complete Power Rebuild Kit Honda TRX400EX 10:1 Compression

The Wiseco PWR131B870 Complete Power Rebuild Kit provides everything needed for a comprehensive engine rebuild on 2005-2014 Honda TRX400EX and TRX400X ATVs. This all-in-one kit features a 10:1 compression ratio for improved performance and throttle response over stock configurations.

Complete Rebuild Solution:

• Wiseco standard series 4-stroke piston engineered for durability and performance
• Crankshaft assembly with OEM-quality main bearings
• Complete gasket set including all engine gaskets, seals, and o-rings for reliable sealing
• Cam chain included for proper valvetrain operation
• Top end and bottom end components for full engine coverage
• Wiseco hour meter and bracket to track engine runtime and service intervals

Quality and Performance:

• Engineered to meet or exceed OEM specifications
• Premium quality materials for smooth operation and long service life
• Exact fitment for hassle-free installation
• Proven performance and reliability from Wiseco's decades of piston manufacturing experience

This power kit eliminates the guesswork of sourcing individual components, providing all critical engine rebuild parts in one convenient package. Ideal for restoring worn engines or upgrading to higher compression for better performance on the trail or track.