Works with LS1, LS2, LS6, LS7 engines. Buick Regal 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987. Buick Skylark 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985.
