• 24 Color-coded LED display lights provide immediate reference to engines air/fuel ratio (AFR) or Lambda (11.0:1 to 17.0:1)  
• Integrated three-digit display reveals AFR or Lambda in real time (10.0:1 to 18.5:1)  
• User-selectable 0-5v analog output included for use with data loggers and most programmable engine management systems  
• NEW! Switch between AFR or Lambda readout with a twist of a switch (included face plate change is required for proper readout)  
• NEW! Included black and silver bezels, black and white AFR gauge faces and black Lambda gauge face allow you to personalize the look of your gauge!  
• NEW! Quick-Connect system eases installation by allowing users to mount the gauge and sensor wiring separately  
• Ideal AFR monitoring tool for carbureted applications and engine dynamometers  
• Does not oscillate AFR like narrow band sensors  
• Serial data stream included for output of AFR (RS 232)  
• Accurate to 0.1 AFR  
• Bosch UEGO sensor included

TECH TIP: This part is 52mm size