How many movies have Adalberto Arvizu and Roberto 'El Flaco' Guzmán acted in together?

They have worked on 4 movies together! Their first movie together was El valle de los miserables (1975) while their highest rated movie together was Siete en la mira 4: Yo soy la ley (1991). They have not worked together since I Am The Law (1991). They are most known for their action films together.