eB2 120psi 60mm SleeperTurbosmart HP 120 is a High Pressure Electronic Boost Controller capable of controlling up to 120PSI! Turbosmart eBoostHP allows the user to control, monitor, map and compensate boost. But eBoostHP is more than just a boost controller it can also control water spray, methanol or nitrous injection, manage shift warning lights and read monitor RPM. The eBoostHP has been effectively controlling up to six stages of boost by gear, boost by rpm, boost by