Looks like Williams system 11 style flipper mechs (a WPC flipper assembly would be better), a modern Stern slingshot assembly, and the broken sling bracket is a Williams A-17808 "Z" bracket.
https://www.pinballlife.com/williamsbally-coil-bracket-a-17808.html
https://www.pinballlife.com/data-eastsegastern-slingshot-bracket.html
https://www.pinballlife.com/data-eastsegastern-slingshot-assembly.html