PROX Steel Exhaust Valve and Spring Kit for Yamaha YZ and WR250F - Part 28.SES2402-1

Replaces the OEM valves & valve springs

Steel, nitrided valves for increased durability and less wear under extreme conditions

Stronger valve springs deal with the extra weight of the steel valves

Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm

Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals

Upgrade your Yamaha YZ or WR250F with the PROX Steel Exhaust Valve and Spring Kit, part number 28.SES2402-1. Designed for durability and performance, this kit ensures reliable operation in demanding riding conditions. The high-quality steel construction provides excellent resistance to wear and high temperatures, extending the lifespan of your engine components. Ideal for both competitive racing and casual trail riding, this kit helps maintain optimal valve timing and engine efficiency. Installation is straightforward, making it a practical choice for experienced mechanics and DIY enthusiasts alike. The kit includes everything needed for a complete replacement, ensuring a secure fit and long-lasting performance. Trust PROX's reputation for precision-engineered motorcycle parts to keep your Yamaha running smoothly. Whether you're rebuilding or performing routine maintenance, this valve and spring kit is an essential upgrade for maintaining peak engine performance.

Features:

• Constructed from high-quality steel for durability and heat resistance

• Designed specifically for Yamaha YZ and WR250F models

• Includes exhaust valve and spring for comprehensive replacement

• Ensures optimal valve operation and engine efficiency

• Easy to install with all necessary components included