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. It?s 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: 7.25"W x 6"H x 2"D.This Part Fits: Year Make Model Submodel 2004-2005 Cadillac CTS Base 2004-2005 Cadillac CTS V 1998-2002 Chevrolet Camaro Base 1998-2002 Chevrolet Camaro Z28 1998-2002 Chevrolet Camaro Z28 SS 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car 1997-2004 Chevrolet Corvette Base 1998 Chevrolet Corvette Indianapolis 500 Pace Car 2001-2004 Chevrolet Corvette Z06 2004 Pontiac GTO Base