PROX Steel Internal Valve and Spring Kit for Kawasaki KX250F and RMZ250 – Part Number 28.SIS4335-2

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

The PROX Steel Internal Valve and Spring Kit, part number 28.SIS4335-2, is designed specifically for Kawasaki KX250F and RMZ250 models, providing reliable performance and durability. Crafted from high-quality steel, this kit ensures optimal valve operation and longevity, making it an ideal choice for both amateur and professional riders seeking to maintain or rebuild their motorcycle's valve system.

This kit includes precision-engineered components that fit seamlessly into your engine, promoting efficient airflow and consistent valve timing. The steel construction offers enhanced strength and resistance to wear, contributing to improved engine stability and performance under demanding riding conditions. Whether you're performing routine maintenance or a comprehensive engine overhaul, the PROX valve and spring kit delivers the quality you need.

Installation is straightforward for those familiar with motorcycle maintenance, and the components are engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation. Designed with durability in mind, this kit helps extend the lifespan of your motorcycle's valve system while maintaining peak performance. Trust PROX for high-quality replacement parts that keep your Kawasaki KX250F or RMZ250 running smoothly and efficiently.

Features:

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

• Precision-engineered components for seamless fit and optimal performance

• Designed specifically for Kawasaki KX250F and RMZ250 models

• Includes valves and springs to ensure reliable engine operation

• Suitable for maintenance, rebuilds, or performance upgrades