When controlling your boost is essential, then turn no further then the GFB G-Force 3-Port Boost Control Solenoid. This brand new innovation from GFB blows the world of boost solenoids out of the ball park in both reliability, quality and performance.Differs from a traditional 3-port Boost Control Solenoid because it precisely directs pressure to the open and close ports of your waste-gate diaphragm. This allows much lower waste-gate spring pressure for better low gear boost control and perfect high gear, high boost control.This GFB G-Force 3-Port Boost Solenoid includes all 3 hose tails that you need for install making this an awesome upgrade for all turbo cars requiring this type of Solenoid.