The Turbosmart BOV Kompact Dual Port-Borgwarner/KKK/Ford Ecoboost V2 2011-2017 Ford F150 3.5 EcoBoost is a fixed 50/50 vented valve, the Turbosmart Shortie Kompact Dual Port valves have been specifically designed to suit BorgWarner EFR and KKK turbos. They also fit the popular Ford Ecoboost engines. A fixed 50/50 vented valve, the Turbosmart Shortie Kompact Dual Port valves have been specifically designed to suit BorgWarner EFR and KKK turbos. They also fit the popular Ford Ecoboost engines. Unlike the standard, plastic valves that use un-reinforced diaphragms and are known to crack under increased boost and with age, the new BW/KKK/Ecoboost Kompact valves use billet aluminium construction give them over 30PSI boost handling capability. Designed as a bolt-on replacement of the factory valve.