GFB G-Force III Electronic Boost Controller Kit w/4-Port SolenoidTake control of the boost level in your turbo car with a GFB boost controller, one of the simplest and most cost effective power increases available. The G Force III is a sophisticated stand alone electronic boost controller that can be used on a wide variety of turbo engines that use a pressure actuated wastegate (NOT suitable for use with electronic or vacuum actuated wastegates). Kit #3008 includes a MAC 4 port solenoid and is for use on turbo