Allows to use a OBD1 distributor on an OBD0 car/engine harness (88-91) You need this to use an OBD1 tunable ECU. OBD0 to OBD1 distributor harness €39.90PriceQuantity*Out of StockNotify When AvailableCompatible with- CRX ED9, EE8 (88-91) - Civic ED7, EE9 (88-91) (might need cutting and rewiring for DOHC non VTEC)