The XIM Ignition Module lets you easily install the EZ - EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor - less ignition type EFI engines. Its a simple plug - and - play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for coil - per - cylinder carb applications or original EZ - EFI that enable programmble control of the late model coil - per - cylinder ignition systems, independent of the fuel delivery method or any factory computer. Nominal dimensions 7.25W x 6H x 2D.