Pop bumper rebuild kit - Williams AC
Pop bumper rebuild kit for Williams PB-6822-1 "keyhole style" AC jet bumper units.
These units have a yoke or armature identified by "keyhole" shaped cutouts for attaching to the plunger.
Used in Williams machines manufactured from mid 1950's (after carbon ring design) up to the first DC jet bumper games GRANADA and SPANISH EYES.
Kit includes new design plunger (only available in this kit), bakelite and metal armatures, spring, sleeve, elastic stop nuts for the rod/ring and replacement screws for the retainer.