GFB G-Force 4-Port Solenoid (Includes 4 Hosetails) 3845

Go Fast Bits Boost Controllers 3845 If you?re wanting to hold your wastegate shut longer, or wanting to extend the operating pressure range of your current wastegate spring setup, then a 4 port boost control solenoid will help you get there. A 4 port solenoid is also a better option for those who are running antilag in their vehicles. For the most part though, a 3 port is more than sufficient. G-FORCE 4-Port Solenoid (Inc 4 hosetails) 4-Port Solenoid