The MTX-AL wideband air fuel ratio gauge which comes complete with a Bosch LSU4.9 Lambda sensor. The sensor can be free air calibrated for optimum accuracy throughout the life of the sensor.Highly accurate, ideal for highly tuned enginesStepper motor needle movement for ultra reliable readings Interchangeable black or grey bezels for a personalised lookAbility to calibrate to 'free air'. Allows for more accurate readings at different ambient air qualities. This analogue gauge features a microprocessor controlled high torque 270 degree stepper motor for waver free needle movement even in high shock or vibration environments. MTS (Modular Tuning System) connection allows the gauge to be connected to other Innovate products as part of a complete engine data logging package.KIT INCLUDES: Gauge (Black Faceplate, Not Interchangeable), Black Bezel, Silver Bezel, LSU 4.9 Wideband O2 Sensor, 8 Ft. Sensor Cable (Overall length 10 ft.), Exhaust Bung, Program Cable (Only needed for Datalogging and