Upgrade your Chevrolet's performance with COMP Cams Sportsman Stainless Steel Valves, designed for durability and efficiency in mind. This set of 8 valves features an undercut stem and swirl-polished finish, ensuring optimal airflow and reduced weight for enhanced engine performance. Stainless steel construction for maximum strength and resistance to wear, prolonging valve life. Swirl-polished finish improves airflow, leading to better combustion and increased horsepower. Undercut stem design reduces weight without sacrificing strength, improving overall engine efficiency. Beadlock-style lock groove secures the valves firmly in place, ensuring reliable performance under high-stress conditions. Specifically engineered for Chevrolet applications, these valves provide a perfect fit and enhance your engine's power output. With an intake valve head diameter of 1.615 inches and an overall length of 5.590 inches, these valves are a reliable choice for your Chevrolet performance upgrades. Elevate your engine's capabilities with COMP Cams.