The Forge Motorsport blow off valve kit, designed for 2.3 Ecoboost engines in the Ford Focus 4 ST, offers an ideal replacement for the standard OEM valve. Engineered to correct common failure issues associated with the OEM version, this kit enhances response time, manages boost pressure effectively,..

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 ..