Name:Gauge Sensor Kit Condition: Manufacturer Part Number: 30-4110 Superseded Part Number: 30-4100 Superseded to 30-4110 Interchangeable black and white faceplates included for gauge appearance (digital gauges only) 4.9 wideband sensor and weld-in bung included (PN 30-4110) No free air sensor calibration required - ever Interchangeable black and silver bezels included Interchangeable black and white faceplates included 52mm (2-1/16inch) gauge housing 0-5v analog output (10-20 AFR range only) 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: AFR Gauge Display/0-5V Output values from 0.68 to 1.36 Colour:As Shown Material:Plastic + Metal Package Contents: 1set x Gauge Sensor Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.