Kibblewhite Black Diamond Valves with seals and Lightweight Racing Valve Spring Kit. Brand new in factory packaging! Kit includes 2 intake valves, 2 exhaust valves, seals and spring kit with retainers and collars. Black Diamond Stainless Steel Intake and Exhaust Valves. KPMI Black Diamond one pieced forged stainless.
Steel valves are impregnated by a special German. Process to improve wear properties and reduce. This process provides resistance to.Corrosion and wear that is superior to that of hard. Chromium and electrolysis nickel plating.