PROX Steel Intake Valve and Spring Kit for Yamaha YZ/WR250F - Part 28.SIS2402-2

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

Upgrade your Yamaha YZ or WR250F with the PROX Steel Intake Valve and Spring Kit, part number 28.SIS2402-2. Designed for durability and reliable performance, this kit includes high-quality steel components that withstand demanding riding conditions. The kit features a precision-engineered intake valve and compatible spring to ensure optimal engine operation and improved power delivery. Whether you're restoring your motorcycle or enhancing its performance, this kit provides an excellent solution for maintaining engine efficiency and longevity.
Constructed from durable steel, the intake valve ensures a tight seal within the combustion chamber, contributing to better fuel efficiency and responsiveness. The spring is specially calibrated to maintain proper tension, reducing valve float at high RPMs and ensuring smooth engine operation. Easy to install, this kit is a perfect upgrade for enthusiasts seeking to improve their Yamaha YZ/WR250F's performance and reliability.
Ideal for both professional repairs and personal maintenance, the PROX Steel Intake Valve and Spring Kit is a reliable choice for keeping your motorcycle running at peak performance. Trust PROX's quality craftsmanship and precise engineering to deliver consistent results and extend the life of your engine components.

Features:

• High-strength steel construction for durability and long-lasting performance

• Includes intake valve and spring calibrated for Yamaha YZ/WR250F models

• Designed to improve engine responsiveness and efficiency

• Precision-engineered components for a perfect fit and reliable operation

• Suitable for restoring or upgrading your motorcycle's intake system