New Bally/Williams WPC-89 MPU board. Replaces is Bally/Williams part number A-12742-xx (where xx is the game number).
This board does not include the Game ROM, ASIC or Microprocessor. These parts rarely go bad and are socketed so they can be moved from the original board to our board with minimum of effort. We offer this item with all optional parts so its plug and play when you receive it.