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

The PROX Steel Exhaust Valve and Spring Kit, part number 28.SES2402-1, is designed specifically for Yamaha YZ and WR250F models, ensuring reliable performance and durability. Crafted from high-quality steel, this kit provides an exact fit and long-lasting operation for your motorcycle's exhaust system. The kit includes a robust exhaust valve and a matching spring, both engineered to withstand the demanding conditions of off-road and motocross riding.

Installation of this kit helps optimize engine performance by maintaining proper valve timing and ensuring efficient exhaust flow. The durable steel construction resists warping and corrosion, contributing to sustained engine health and performance. Whether you're rebuilding your engine or replacing worn components, the PROX steel valve and spring kit offers a trusted solution to keep your Yamaha YZ or WR250F running at peak efficiency.

Designed for ease of installation, this kit is essential for riders seeking to restore or enhance their motorcycle's exhaust system. It is suitable for professional mechanics and experienced DIY enthusiasts who demand precision and reliability from their engine components. Trust PROX's reputation for quality and performance with this comprehensive valve and spring kit that ensures your motorcycle operates smoothly and efficiently.

Features:

• High-strength steel construction for durability and longevity

• Precisely engineered for Yamaha YZ and WR250F models

• Includes exhaust valve and matching spring for comprehensive replacement

• Designed to withstand demanding off-road riding conditions

• Optimizes engine performance through reliable valve operation