Revolution Air/Fuel Gauge Wide Band. Right out of the box the programmable wide band gauge is factory setup to work with AEM INLINE WIDE BAND CONTROLLERS with no calibration necessary.   0.5 Volts = 8.5 A/F, 4.5 Volts = 18 A/F

Gauge features:

• Fits  into 2.062″ (52mm) dash hole  A thin composite carbon case  design  allows easy mounting in tight locations (great for gauge pods).
• Solid Aluminum Bezel
• Spin Lock Ring is included for easy mounting
• Internal microprocessor controls the pointer movement
• Digital high torque stepper motor ensures accurate pointer movement in racing conditions
• Gauge is NOT waterproof
• “LIFE-TIME WARRANTY on gauge electronics!”
• Settable warning LED – Set low and high conditions
• Front side button
• Gauge peak recall
• Compatible with Auxiliary warning light (Sold Separately)
• TO MAKE THE AIR FUEL GAUGE WORK YOU MUST PURCHASE THE AEM WIDEBAND CONTROLLER, YOU MAY GET IT FROM US, CHOOSE OPTION, OR YOU MAY PURCHASE YOUR OWN, BUT GAUGE WILL NOT FUNCTION WITHOUT AEM CONTROLLER
• CONTROLLER IS NOT INCLUDED! MUST BE PURCHASED SEPARATELY