FAST ECU Basic Kit LS2 05 (24X)FAST's Transplant Kits have taken all the guess work out of fitting a crate or junkyard engine into your project. Our kits contain everything you need to transplant your LS2 design engine without needing to modify a factory harness or tune a factory ECU for your custom application. Your project deserves a kit that was crafted by fellow gearheads who know what it takes to swap an engine. This LS2 kit contains our XFI 2. 0 ECU, XIM ignition controller,