AEM MEFI PNP Jumper kit for Infinity series 3 to MEFI 4
Once you have determined which Series 3 Infinity ECU will best support your MEFI-4 equipped engine, you will need to purchase the Infinity MEFI-4 Plug & Play adapter harness (PN 30-3829). This Harness delivers seamless conversion from dated MEFI platform to state-of-the-art Infinity ECU, with boost control, nitrous control, launch control, engine protection and more built in!