The PROX Steel Valve Kit offers top-notch quality, crafted from nitrided steel and micro-hardened to significantly reduce friction and wear. This advanced construction ensures longer lifespan compared to original valves and serves as an ideal replacement for short-lived titanium valves. Included in the kit is a specially weight-balanced chromoly steel valve spring set designed for ultra-high RPM endurance. Installation is straightforward and requires no modifications to original parts, making it a perfect upgrade for your Honda engine.