The Cloyes 9-3639X3 Race Billet True Roller Timing Chain Kit is a vital component for high-performance engine builders. This kit consists of a high-quality, billet-machined aluminum timing chain with three keyways, designed specifically for racing applications. The billet material ensures maximum durability, while the true roller design delivers smoother engagement and reduced wear compared to standard roller chains. This kit is a perfect fit for various engine sizes and configurations, providing unmatched performance and reliability. With its meticulous engineering and top-notch craftsmanship, the Cloyes 9-3639X3 Race Billet True Roller Timing Chain Kit is a must-have for any serious motorsports enthusiast or engine builder seeking to elevate their performance.