Going with a wideband gauge or narrowband gauge all depends on the level of monitoring you’re looking to get for your car or truck’s air-to-fuel ratios.

Our narrowband AFR gauges basically deliver a high-level overview with Lean, Optimal and Rich readings, helping you ensure ratios are where they should be. For many vehicles, these narrowband air fuel gauges connect directly to the stock narrowband oxygen sensor and read the voltage output.

GlowShift wideband air fuel ratio gauges allow you to much more closely monitor and fine-tune your vehicle’s air-to-fuel ratios from 10 ~ 20 AFR quality values. With each wideband AFR gauge kit you’re getting a wideband O2 sensor, 12v wideband controller unit, a weld-in bung and more.

We recommend going with our wideband gauge for the reason that you’ll be able to monitor readouts far more precisely. With GlowShift digital wideband gauges readings are accurate down to a decimal point. We also have dual wideband O2 gauges so you can monitor the right and left banks of the exhaust system.

When it comes to deciding on a narrowband vs wideband gauge, it all depends on what the right fit is for your car or truck and which one you prefer. We have a wide range of analog and digital versions available with bright LED displays, multiple display color settings, a black or white gauge dial, clear or tinted magnified lens and more.

Find the narrowband gauge or wideband gauge that works for your specific application. That way you can keep an eye on air-to-fuel ratios and enhance the inside of your car or truck at the same time.