If you are looking to increase airflow and add some horsepower then this BBK throttle body is just what you need. Their throttle bodies are cast from high-quality 356 aluminum alloy and are machined on state-of-the-art CNC machining centers to ensure a perfect fit on your truck. They feature double-sealed bearings, O-ringed throttle shafts, and precision die-stamped linkages. These throttle bodies install in just a few minutes and come with everything you need. Application:1987-1996 Ford F-Series 5.0L and 5.8L