Link 4 Bar MAP Sensor The Link 4 Bar MAP sensor measures up to 4 Bar absolute pressure, making it ideal for turbo and supercharger applications with boost pressures up to 3.0 Bar (~44 PSI). The sensor's cable pinout is directly marked on the sensor. Features: 3-pin Deutsch DTM connector kit included Easy mounting via two bolt mounts (the sensor should be mounted higher than the intake port to which the hose is connected) Compact aluminum housing Mechanical connection via 4 mm (3/16") hose barb Compatible with Link G4/G4+/G4X ECUs, select "Link 4 Bar" as the MAP sensor type in PC Link Perfect for motorsport applications requiring accurate boost pressure monitoring up to 3.0 Bar.