Black Diamond Exhaust Valve
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.
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.
| Year | Make | Model |
|---|---|---|
| 1958 | Harley-Davidson | XL |
| 1959 | Harley-Davidson | XL |
| 1960 | Harley-Davidson | XL |
| 1961 | Harley-Davidson | XL |
| 1962 | Harley-Davidson | XL |
| 1963 | Harley-Davidson | XL |
| 1964 | Harley-Davidson | XL |
| 1965 | Harley-Davidson | XL |
| 1966 | Harley-Davidson | XL |
| 1967 | Harley-Davidson | XL |
| 1968 | Harley-Davidson | XL |
| 1969 | Harley-Davidson | XL |
| 1970 | Harley-Davidson | XL |
| 1971 | Harley-Davidson | XL |
| 1972 | Harley-Davidson | XL |
| 1973 | Harley-Davidson | XL |
| 1974 | Harley-Davidson | XL |
| 1975 | Harley-Davidson | XL |
| 1976 | Harley-Davidson | XL |
| 1977 | Harley-Davidson | XL |
| 1978 | Harley-Davidson | XL |
| 1979 | Harley-Davidson | XL |
| 1980 | Harley-Davidson | XL |
| 1981 | Harley-Davidson | XL |
| 1982 | Harley-Davidson | XL |
| 1983 | Harley-Davidson | XL |
| 1984 | Harley-Davidson | XL |
Fitment details provided by supplier.
