Honda PM6 ECU from a 1991 Honda CRX Si. Car was running and driving perfectly before being disassembled and converted to a circuit racing car. This ECU will work for the 1988-91 Honda Civc/CRX Si models (PGM-FI). All circuitry in excellent condition, no corrosion or signs of overheated components on circuit board or terminals. Ships via USPS Priority Mail