AEM Electronics Series 2 Plug & Play EMS Engine Management 2G Eclipse 4G63 Performance Apparel Dual arbor compatibility — Fits

Dual arbor compatibility — Fits both 5/8" and 7/8" spindle sizes without adapters

bolt the new one into the same mounting points

QR Code linking to the full install guide

These are ready to install

AEM Electronics Series 2 Plug & Play EMS Engine Management 2G Eclipse 4G63 Performance Apparel Dual arbor compatibility — Fits? AEM's Series 2 Programmable Engine Management System is more powerful than its predecessor. In addition to more robust hardware, there are several improvements over the original EMS, noted in the chart below. Like its predecessor, AEM's Series 2 Plug & Play EMS plugs directly into a vehicle's factory ECU harness and requires no additional wiring or hardware. WindowsT compatible software (2000, XP, NT, 98, 95, ME) makes the task of copying, viewing