The Turbosmart V‑IWG actuator listed for 2017–2023 Ford Fiesta ST (Mk8) is a 4 inHg V‑IWG unit specified for that model range. It’s offered as a direct actuator solution for the Fiesta ST Mk8 application named in the description, providing the vacuum‑indexed internal wastegate actuation characteristic required by that vehicle’s turbo control system.
Turbosmart 17-23 Ford Fiesta ST (Mk8) 4inHg V-IWG