BBK Performance Power Plus Series throttle bodies for the ALL NEW Mustang 5.0L. CNC machined from high quality 356 aluminum castings to ensure perfect OEM quality and fit every time along with the OE factory electronics for direct plug in. BBK's NEW Mustang 5.0L throttle bodies are designed to increase airflow and improve horsepower from between 10-15 RWHP depending on vehicle and application. All BBK Performance Power+Plus Series throttle bodies are CNC machined from high quality 356 aluminum castings to ensure perfect OEM quality and fit every time. Features like OEM die stamped throttle linkages, double sealed bearings, o ringed throttle shafts and new electronic controlled injection molded plastic gear assemblies for the new modern drive by wire applications, make BBK throttle bodies number one in performance and quality. R&D BBK spent hundreds of hours, researching, developing, and experimenting with late model Ford electronic throttle bodies. As a result, we have gathered the extensive knowledge on the function of these sophisticated parts that it takes to produce the best possible product. All throttle bodies are direct replacements and include detailed installation instructions.