Kibblewhite Black Diamond™ exhaust engine valve built for high wear resistance, smooth operation and strong flow performance. CNC machined from one-piece EV8 stainless forging with an infused surface treatment and a black Nitroneg-coated stem for reduced friction.
Kibblewhite Black Diamond™ Engine Valve is a premium exhaust valve designed for riders and builders who want dependable valvetrain durability and consistent performance under heat and load. Made from a lightweight, strong one-piece forging, it delivers excellent flow characteristics while standing up to demanding riding and racing conditions.
To extend service life, the valve receives a special German infusion process that improves wear properties, reduces friction and adds superior resistance to corrosion and wear compared to common chrome or nickel electrolysis plating. The stem is finished with a black Nitroneg coating for even smoother operation and improved longevity.
