I am a fully licensed supplier.SPACE STATION -CPU-U26.L5SKU: CPU-26SPSC$13.00PriceQuantity*Add to CartWILLIAMS ROMSU26.L5 TECH SPECSWilliams: Space Station ROM Revisions Game Version L-5 U26 : Checksum: 5194 U27 : Checksum: 983E ROM REMOVAL & INSTALLATION INSTRUCTIONS https://www.pinballrom.com/_files/ugd/0a3635_1f0af8ba09644eb78d30e50f112cf374.pdf