FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines from the Chevrolet Small Block to GM LS Series, Ford Small and Big Blocks as well as Windsor, Modular, FE configurations. FAST also has taken the intiative to help out customers with less common applications such as Buick V6, Modern Chrysler and even 4 cylinder applications. And, while we may not have a custom tailored injector harness that fits your needs, all of our harnesses can be re-pinned for custom firing orders and reterminated to aC-Commodate different injector connectors.This Part Fits: Year Make Model Submodel 2011-2014 Ford F-150 FX2 2011-2014 Ford F-150 FX4 2011-2015 Ford F-150 King Ranch 2011-2015 Ford F-150 Lariat 2011-2015 Ford F-150 Platinum 2011-2014 Ford F-150 STX 2011-2015 Ford F-150 XL 2011-2015 Ford F-150 XLT 2012-2013 Ford Mustang Boss 302 2011-2015 Ford Mustang GT 2015 Ford Mustang GT 50 Years Limited Edition 2015 Ford Mustang GT Premium