Air/Fuel Ratio (EGT) Monitoring Systems

JEGS carries a number of air/fuel ratio meters, gauges and monitoring systems. Tuning a vehicle to the right air/fuel mixture can improve performance and increase fuel mileage. For racing applications, an air/fuel meter lets you get the most out of a race engine and can help you tune for atmospheric conditions. Trust JEGS to provide top of the line air/fuel ratio meters, gauges and monitoring systems at the best prices!

Individual Products Product Groups
Category: Gauges & Tachs Air/Fuel Ratio (EGT) Monitoring Systems

AEM Digital UEGO Wideband AFR Gauge Accurate To 0.1 AFR


Digital UEGO Wideband AFR Gauge
  • Accurate To 0.1 AFR
  • 0-5V Analog Output
  • Bosch 4.9 LSU Sensor
  • Multi-Color LED Needle
  • Includes Black & Silver Faceplates & Bezels
  • Reversible Faceplates For AFR or Lambda Ratio
  • $194.99
    Ships Monday
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    (3)







    AEM X-Series Wideband UEGO AFR Sensor Controller Gauge With X-Digital Technology


    X-Series Wideband UEGO AFR Sensor Controller Gauge
  • With X-Digital Technology
  • Includes X-Series Wideband Controller Gauge Bosch 4.9LSU Sensor Wiring Harnesses
  • Black Bezel, Black AFR/Lambda Faceplate And O2 Sensor Bung
  • $196.65
    Ships Monday
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    FAST Wideband Digital Air/Fuel Meter Gasoline


    Wideband Digital Air/Fuel Meter
  • Gasoline
  • Dual Sensors
  • Two 12' Cables
  • Two Weld-On Bungs and Plugs
  • $422.99
    Ships Monday
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    (2)









    NGK Spark Plugs Powerdex AFX Gen2 Air/Fuel Ratio Monitor Kit Includes:


    Powerdex AFX Gen2 Air/Fuel Ratio Monitor Kit
  • Includes:
  • Module
  • Wiring Harness
  • Wideband Sensor
  • Exhaust Boss And Plug
  • Timing Manual
  • $295.99
    Ships 01/31/17
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    AEM Replacement Wideband UEGO O2 Sensor Accurate to 0.1 AFR


    Replacement Wideband UEGO O2 Sensor
  • Accurate to 0.1 AFR
  • Bosch LSU 4.9 Sensor
  • Replacement for 30-4110
  • $117.99
    Ships in 24hrs
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    AEM Analog Wideband AFR Controller AFR monitoring tool for EFI and carbureted applications, and engine dynamometers


    Analog Wideband AFR Controller
  • AFR monitoring tool for EFI and carbureted applications, and engine dynamometers
  • No Free Air Calibration Required-Ever
  • 2-1/16" (52mm) Housing
  • $222.99
    Ships Monday
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