18691-02 "black Diamond" High Performance Stainless Steel Valves BY Precision Machining

For Sportster and XB owners looking for the best in valvetrain components, these Black Diamond stainless steel valves from Kibblewhite are the way to go. Each valve is a one-piece design, machined for optimal flow and treated with a unique impregnation process. This treatment creates a surface that is .002 inches deep, providing exceptional resistance to wear and corrosion while reducing friction far better than standard nickel or chrome plating. These lightweight valves are designed to handle the stresses of high-performance riding and serve as a high-quality replacement for OEM 18691-02. They ensure your engine breathes better and lasts longer, even under the increased heat and pressure of a performance-tuned motor.