How many movies have Jiro Hiratsuka and Keisuke Yukioka acted in together?

They have worked on 9 movies together! Their first movie together was 早射ち無頼　大平原の男 (1961) while their highest rated movie together was Savage Wolf Pack (1969). They have not worked together since Records of Bloodshed (1970). They are most known for their action films together.