Black Fist (1975)

aka’s: Bogard/Black Streetfighter/
Get Fisk/Homeboy/Leroy Fisk

To make money, a Los Angeles street-fighter (Richard Lawson) goes to work for gangsters. Also stars Annazette Chase and Philip Michael Thomas. Also with Dabney Coleman and Edward James Olmos (uncredited).

The picture quality for this film is a bit soft, but still the best currently available anywhere.