Black Diamond Intake Valve Hd Sportster 70 83

All KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond® Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.
Features:

• Black Diamond stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface buildup of .0002”.


• This “Black Diamond™ process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating.


• Black Diamond™ Valves are light, strong, one-piece forgings with profiles that provide excellent flow characteristics.