Bally electromechanical pinball machine extension springl for score and step units.
Reference:
SP-100-80
Select manufacturer to view game compatibility
Leaf switch Bally score counter
Leaf switch Bally score counter
Leaf switch Bally score counter

Drive pawl nylon

Rocker arm nylon Bally
Ratchet hub nylon Bally score counter
Ratchet cam nylon Bally

Plunger - no link, EM counter unit
Spring - extension Bally
Spring - torsion Bally