Williams coil stop used on the following games:
Laser Cue
Space Shuttle (some machines, but not all)
Sorcerer
Comet
High Speed
Grand Lizard
Road Kings
Pinbot
Millionaire
F-14 Tomcat
Fire!
Fire! Champagne Edition
Big Guns
Space Station
Multimorphic reference #PNBL-X203-0001.