How rubber rings are sized
Rings are specified by inside diameter. The size may be moulded on the ring or listed in the game manual; otherwise measure the old ring. Hardened, brittle rings deaden play, and many suppliers can make up a full ring set from just the game name.
Systems
- Williams System 3
- Williams System 4
- Williams System 6 / 6A
- Williams System 7
- Williams System 9
- Williams System 11
- Williams System 11A
- Williams System 11B
- Williams System 11C
- WPC Alpha-Numeric
- WPC Dot Matrix
- WPC Fliptronics
- WPC DCS
- WPC-Security (WPC-S)
- WPC-95
- Bally MPU AS-2518-17
- Bally MPU AS-2518-35
- Stern MPU-100
- Stern MPU-200
- Bally 6803
- Gottlieb System 1
- Gottlieb System 80
- Gottlieb System 80A
- Gottlieb System 80B
- Gottlieb System 3
- Data East CPU Version 1/2
- Data East CPU Version 3
- Data East/Sega CPU Version 3b
- Capcom
- Electro-mechanical
Related tips
- Standard rubber ring inside diameters
- Rubber ring part numbers by size
- Measure rings by inside diameter
- Fitting new rubbers and reusing old ones
- Order a game-specific ring kit in white rubber
- Gottlieb rubber ring part numbers and sizes
- Williams rubber ring part numbers by size
- Use white rubber on EM games
Source: Pinball Machine Care & Maintenance, Bernard B. Kamoroff (Bell Springs Pinball Alley)