The 7 Best Digital AFR gauges (2023 reviews)

digital afr gauges
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We consider a digital afr gauge to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process:

Our Top Picks:

AEM Digital AFR Gauge
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Auto Meter Digital AFR Gauge
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AEM / Bosch Digital AFR Gauge
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Auto Meter Gauge kit
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Sinco tech Digital AFR Gauge
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Epman Digital AFR Gauge
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Epman Digital AFR Gauge
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AEM Digital AFR Gauge

AEM Digital AFR Gauge
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Next on the list, we've got yet another gauge that manages to win our hearts. It's the aem digital afr gauge and it's widely considered as one of the best convenient gauge you can buy. The AEM gauge is small and sleek and all digital. It includes the gauge, Afr sensor, harness in to the gauge, and output harness for data logging. It is great way to tune your air/fuel ratio on a carb. It is easy to read, day or night, and the large digital readout is a plus.

It is simple, reads fast, and with the sweeping led, it is easy to see whats going on without looking directly at it. It allows you to see if your running rich or lean. It is compatible with vehicle/system voltages up to 16v. The wideband controller built into the gauge so installation is straightforward and tidy.

Why We Like This:
  • Better and more important than a vacuum gauge
  • Easy to set up, very user friendly instructions to
  • Weighs very little and mounts cleanly nearly anywhere

Auto Meter Digital AFR Gauge

Auto Meter Digital AFR Gauge
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If you want nothing but the best reliable gauge, then auto meter digital afr gauge is the one you should definitely consider, as it manages to bring a lot to the table. It works with large clients for the creation of specialty instrumentation for production vehicles. It includes a custom tuned.1 afr resolution bosch lsu4.2 sensor, 8ft. It has a blue and black wire that supposedly outputs a 0 to 4 volt signal, for 10.0 to 17.0 afr. The gauge works perfect and utilizes the same harness as the 4370, so install is a breeze.

The output is from 0-4v so you can use the wideband output to log AFR in your tuning software. It is easy to weld bung with a brass plug. The harness is shrink sealed pretty well. It comes with this meter so you will have your own carburetor school while you drive.

Why We Like This:
  • Geared specifically for the motorcycle industry
  • Hi-ish latency, only updates at 1 hz
  • Good product for gasoline afr tunning
  • Great gauge easy install instructions very straight forward

AEM / Bosch Digital AFR Gauge

AEM / Bosch Digital AFR Gauge
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Best part: aem / bosch digital afr gauge costs comparatively low and it is available to ship in 24 hours. This is the unit of choice for a lot of tuners and owners who have to go this route. The real bosch sensors have numbers etch on them from the calibration process, so you can feel the difference in quality, but most importantly it works. The sensor sits in your exhaust collector and the gauge reads out a number in real-time. The AEM uego gauge can be run in a mode that mimics a narrowband sensor so if your stock ecu is only able to work with narrowband sensors then it should work fine in that mode.

The AEM wideband comes with the sensor and off the gage is a signal wire to connect to the factory ecu to rear the o2 sensor. This gauge is way better in lighting and durability.

Why We Like This:
  • Simple to install and set up
  • Interchangeable black and white faceplates included compatible with customizing gauge appearance
  • New and hot release

Auto Meter Gauge kit

Auto Meter Gauge kit
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Compared with other gauge in this category, the auto meter gauge kit has a convenient design. Stark white dials, bright orange pointers and subtle black bezels make this extensive high performance line the perfect match for any application. It includes custom tuned.1 afr resolution bosch lsu4.2 sensor, 8ft. It comes with everything you need to hook it up. It is compatible with nearly every street car or race car electrical system. It is suitable for use with gasoline powered engines.

Why We Like This:
  • 0 -4v data output feed for ecu, data acquisition unit, or laptop tuning
  • Good investment for long term

Sinco tech Digital AFR Gauge

Sinco tech Digital AFR Gauge
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Best part: sinco tech digital afr gauge costs comparatively low and it is available to ship in 24 hours. The button on the lens can switch the color of light you want. It comes with 1.94ft power wire and installation instructions, making the installation process quick and easy.

Why We Like This:
  • High-speed stepper motor with a quick response
  • Clear and bright adjustable 7 colors led backlight with digital display
  • New and hot release

Epman Digital AFR Gauge

Epman Digital AFR Gauge
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Epman makes beautiful and great gauge with classic and smartly choosen materials.

Why We Like This:
  • Lot of satisfied buyers
  • Good investment for long term

Epman Digital AFR Gauge

Epman Digital AFR Gauge
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The epman digital afr gauge's high-end materials makes sure that it ages well with use.

Why We Like This:
  • New and hot release
  • Delivers what they promise