The Lords of Flatbush is a 1974 American drama film directed by Martin Davidson and Stephen F. Verona. The film stars Perry King, Sylvester Stallone and Henry Winkler. Stallone was also credited with writing additional dialogue. The plot is about street teenagers in leather jackets from the Flatbush neighborhood of Brooklyn, New York. Quentin Tarantino calls it "a pretty good film...the first time I was introduced to the New York independent low budget film aesthetic."
(Summary from Wikipedia)