Unlock the full potential of Nissan CA18 DET with our high-performance racing intake valves. Engineered from a single piece of forged material, our intake valves undergo a meticulous two-step forging process to ensure superior grain flow and exceptional strength. Each valve is CNC machined through multiple stages to achieve precise dimensions, ensuring optimal performance. To maximize durability, we apply an additional heat treatment for stress relief, followed by a specialized nitride hardening treatment or coating tailored to your specific needs. Our precision grinding process and patented Superfinishing technique ensure that every valve boasts a flawless surface and perfect dimensions. Elevate Nissan CA18 DET's performance with our racing intake valves, designed for those who demand the best.