1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 Window Regulators. High quality and durable window regulators for the classic Mustang follows with new Bronco window regulators. Designed regulator to use both early and late window cranks. Constructed of heavy gauge steel and painted satin black for long life. The roller bushing is also included. They are redy to roll.