GlowShift | 2-1/16 (52mm) Tinted 7 Color Series Narrowband Air Fuel Ratio Gauge for Cars and Trucks

Monitor Your Engine's Air to Fuel Mixture By Reading the Voltage Output of a Narrowband Oxygen Sensor, Ensuring the Ratio is at Optimal Levels and Not Running Too Rich or Too Lean Narrowband AFR Gauges for Cars and Trucks Help Drivers Assess if a Vehicles Available Fuel is Being Mixed with the Right Amount of Oxygen Narrowband Gauge Kit Includes a 2 Power Harness with 6 Sensor Lead Wire, Mounting Bracket, Mounting Hardware and More Tinted 7 Color Series Gauges Feature a Black Gauge Dial, Magnified Tinted Lens, Illuminate Red Needle and 7 Color Settings for the Analog LED Display Gauges and Pods Since 2004 | One Year Limited Warranty | Unrivaled Customer Support | Free Lifetime Tech Support | 30 Day No Hassle Returns