Description Devils own 6 to 30 psi activation switch allows you to upgrade your kit 1 if your engine gets a boost upgrade water methanol activation switches takes the guess work out of seeing where your settings are. You can make a simple, no-tool-required adjustment because the actual PSI is on the front of the unit. Align the top of the wheel on the pressure switch to adjust the PSI where you want the system to activate. As a general starting point, start off with the top of the wheel adjusted to ½ of your max boost. You don’t have to play the “At what PSI is this set?” game like you do with the cheaper boost pressure switches. You can use this switch with our Alcohol/Water Injection System. It’s the best boost pressure switch offered on any system. Low Pressure Switches SQ Long-life elastomer diaphragm High quality, snap action switch Fingertip adjustment Visual calibration Economical Quick delivery We recommend a 1/8 NPT barbed fitting for connecting this to our hose.
