SET OF 2 (B5. 2.8/C5 2.8)BACK TO THE FUTURE -CPU/DISPLAY SET (2 chips)SKU: CPD-BACKFC$26.00PriceQuantity*Add to CartDATA EAST ROMSSET OF 2 (B5. 2.8/C5 2.8) ROM REMOVAL & INSTALLATION INSTRUCTIONS https://www.pinballrom.com/_files/ugd/0a3635_1f0af8ba09644eb78d30e50f112cf374.pdf