Cops vs. Thugs (1975)

Acting boss Hirotani of the Ohara gang uses his friendship with corrupt cop Kuno to usurp a staged land deal that rival yakuza gang Kawade had arranged through local politicians. Open warfare erupts between the two gangs.

Cops vs. Thugs is an action movie featuring Bunta Sugawara and directed by Kinji Fukasaku.

Cops vs. Thugs is currently streaming for free (ad-supported) on Kanopy and Midnight Pulp and it's also available on Fandor Amazon Channel and Night Flight Plus.

It is also possible to buy Cops vs. Thugs on Amazon Video and Vudu.