Holley 558-448 J1A/J1B ECU Connector KitJ1A J1B ECU Connector Kit with Pins and Seals Part Number: 558 448 If you already have your own wire and simply need the connectors and pins, we have you covered with our new ECU connector and pins kit, allowing you to fully terminate your own custom main harnesses! Features and Benefits Pre Terminated J1A and J1B Tyco Superseal Connectors 60x 20 22ga pre terminated wires 20x 16 18ga pre terminated wires 30 cavity plugs