The Forge Motorsport blow off valve kit, specifically designed for the 2.3 Ecoboost engines in the Ford Focus 4 ST, serves as an ideal upgrade from the standard OEM valve. This kit not only resolves common failure issues of the original valve but also enhances reactivity and boost pressure managemen..

This piston-based bypass valve serves as an ideal replacement for the standard model. It enhances durability compared to OEM diaphragm valves and supports various spring adjustments for engines with increased boost pressure or modifications. Its top or vacuum connection is designed with an angle to ..