Profec Replacement Parts Color OLED Display - Amber Built in 8 Bar (over 100PSI) High Boost gauge (kPa or PSI)3 display types - Numeric, Bar Graph, & Map Graph Intuitive Control Screen and Dial control 2 preset setting, LO & HI, with 3rd timed Scramble boost setting. (Lo. & Hi.) Set % - to increase boost. (higher number, higher the boost over base boost level) Gain % - wastegate response adjustment. Start Boost - initial boost response adjustment. Warning point, warning limiter, peak-hold/Last boost compatible with both pneumatic actuator style and external wastegate style turbo systems (not compatible with electronic wastegates) revised compact boost solenoid. Separated Display/Control Unit and Sensor Unit, for easy install.Integrated 300kPa (43.5psi) - high performance boost pressure sensor within the Sensor Unit Includes adjustable mounting bracket. *For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.