The SpeedFactory Racing 3-Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulsewidth modulation) signal from a source (Engine Control Module or Electronic Boost Controller).This solenoid can raise the boost level as high as 2-3 times the spring pressure of the wastegate. (For higher boost levels and better off-the-line boost control please see our 4 Port Boost Control Solenoid Kit).This kit can be used with single or multiple wastegates, and is compatible with almost every electronic boost controller and tuning software. This product can be used with internal or external wastegates. SpeedFactory 3-Port Boost Control Solenoid Kit Features Include:-0-125 PSI pressure range- (2) 1/8" x 1/4" barbed male fittings and (1) sintered muffler-24" wires leads for easy install-Non-polarized wiring-Compatible with Haltech, Motec, Hondata, Neptune, AEM, Megasquirt, Holley, KTuner, and many more! Please see our simple installation diagram in the product images section. Make your installation clean and easy with our Boost Control Solenoid Mounting Bracket, available here!Please email us with any questions regarding this product at email@example.com or call us at (253)566-4331.