This Williams sound board cap kit works on games such as Joust, Bubbles, Defender, Stargate, Sinistar, Robotron 2084 and any other williams system 6 and 7 arcade and pinball games that use the D8224 sound pcb and will have IC-2001-146-6 or IC-2001-146-5 printed on pcb. “Mega Deluxe Cap Kit” All capacitors are 105c Axial in this kit. All of our Cap Kits / Get Well Kits include a sticker so you can place it on the PCB to help you keep track of the work you did and when it was done. 9 Capacitors total included in kit with great instructions and a Cap Map. Our kits have some of the BEST quality, low ESR, and longest life capacitors in them.