AEM
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AEM 30-4100
Digital Wideband AFR Controller
  • 2-1/16" (52mm) Housing
  • AFR monitoring tool for EFI & carbureted applications
  • Digital Wideband Controller
    Item# 017-30-4100
    Only $174.99
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    AEM 30-5130
    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
  • Wideband AFR (UEGO) Gauges
    Item# 017-30-5130
    Only $229.99
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