Toei's series of biker gang exploitation flicks.
The fourth installment in the Bosozoku film series starring Koichi Iwaki.
Wild-hearted mechanic boy Iwaki falls in love with the innocent but gang tied Michiko.
Teruo Ishii's West Side Story, done as a bloody, violent, sexploitative biker gang film. It's the Red Chilis versus the Black Cats, and the chick who just may heal the divide.
The third movie in the "Boso" series.