- Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless Steel
- Black Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear
- Made in the U.S.A.
BMW -- R100 -- (1990, 1985, 1987, 1979, 1982, 1977, 1989, 1978, 1988, 1980, 1984, 1981, 1983, 1986, 1991, 1976); BMW -- R75 /6 -- (1975, 1974, 1976, 1973); BMW -- R80 -- (1985, 1983, 1980, 1982, 1984, 1978, 1986, 1979, 1987, 1981, 1991, 1989, 1977, 1988, 1992, 1994, 1990, 1993, 1995); BMW -- R 90 -- (1975, 1974, 1976, 1971, 1973, 1988, 1990, 1992, 1980, 1981, 1993, 1994, 1972, 1989, 1991, 1970, 1977, 1984, 1979, 1986, 1995, 1982, 1983, 1978, 1985, 1987); BMW -- R75 /5 -- (1972, 1970, 1973, 1971, 1976, 1978, 1974, 1979, 1975, 1980, 1977); BMW -- R 90 S -- (1974, 1976, 1975); BMW -- R75 /7 -- (1977, 1974, 1973, 1975, 1976)