Complete engine rebuild
Crankshaft assembly
OEM quality main bearings
All engine gaskets, seals, and o-rings
Wiseco ProLite 2-stroke piston and top end bearing
Wiseco standard series 4-stroke piston
Cam chain included (if needed)
Wiseco hour meter and bracket included
Bottom end and top end components
Engineered to meet or exceed OEM quality
Reliable OEM sealing
Instant throttle response
Premium quality for smooth operation
Proven performance and reliability
Exact fit and long lasting
Track your engine and critical service intervals
The WiseCo PWR131A-870 Power Kit is designed to enhance the performance of your Honda TRX400EX from 1999 to 2004. This comprehensive kit includes high-quality components engineered to increase horsepower, improve throttle response, and optimize engine efficiency. Built for durability and reliable performance, the kit ensures your ATV operates at peak capacity during demanding rides or competitive events. Installation is straightforward with all necessary parts included, making it a perfect upgrade for enthusiasts seeking to maximize their vehicle's potential. Whether you’re trail riding or racing, this power kit delivers consistent power gains and long-lasting performance.
Features:
- High-performance components engineered for Honda TRX400EX (1999-2004)
- 10:1 compression ratio for increased power output
- Comprehensive kit includes all essential parts for installation
- Designed to improve throttle response and engine efficiency
- Durable construction for long-lasting performance
