WIDEBAND UEGO O2 AIR/FUEL RATIO GAUGE KIT Product Features - A custom look * Interchangeable black and silver bezels * Interchangeable black and white faceplates - 4.9 LSU wideband sensor and weld-in bung included - No free air sensor calibration required - ever - 52mm (2-1/16 inch) gauge housing - Analog output: 0-5V - AFR range: 10-20 AFR How to determine compatibility? There is a sticker or nameplate on the frame of each device with model and serial number information. The adaptability of most parts is model-based, which means that these parts are only suitable for specific series of manufacturing equipment. Please carefully verify the compatibility of this kit with your model before purchasing. * Confirm compatibility by model number (each device has a specific set of parts for that model). * Do not match by brand or image (parts compatible with your brand may not be compatible with your model). AFR Value Range By Fuel Types * Gauge Display/0-5V Output Gasoline values from 10 to 20:1 AFR * 0-5V Output E85 values from 6.6 to 13.2:1 AFR * 0-5V Output Ethanol values from 6.14 to 12.3:1 AFR * 0-5V Output Methanol values from 4.4 to 8.8:1 AFR * Gauge Display/0-5V Output Lambda values from 0.68 to 1.36 Package 1* UEGO Gauge Assembly 1 * UEGO Sensor 1 * O2 Sensor Bung 4 * Butt Connectors 1 * Installation Instruction 1 * 4 Lead Harness 1 * UEGO Sensor Harness 1 * Silver Bezel 1 * Black Lambda Faceplate 1 * White AFR Faceplate