BBK Power Plus 80 millimeter Throttle Body for Ford 5.4L F-Series/Expedition for all BBK 2004-2010 F-series, Expedition throttle bodies are designed to increase airflow and improve horsepower from between 7-12 HP depending on the 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 the number one in performance and quality.