Wide Band Air/Fuel Ratio Interface for Pro-Flo 2, XT, XT-R EFI Systems-1

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Edelbrock #3532 Wide Band Air-Fuel Ratio Monitor is designed for use with any aftermarket EFI kits as well as Data Logging system. The kit comes complete with a water proof enclosure and a wide band oxygen sensor. Features two independent 0-5V analog outputs that are linearly scaled with 0V=10.0 AFR and 5V=20.0 AFR. Includes interface unit, sensor, weld-in bungs and all necessary wiring. Does not have internal data logging capability and only includes a single oxygen sensor.

Documents & Installation Notes


Availability Available
Grade Type Performance
Mounting Hardware Included No
Type Wide Band
Wire Gauge Measurement 18 ga.
Face Color Black
Iluminated Yes
Wiring Harness Length 7.0 in
Face Shape Square
Application Universal
UPC 00085347035328
Availability Note Available to Order
Warranty 12 Months
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Allows improved Closed Loop control of the current Pro-Flo EFI systems
  • Suitable for automotive, motorcycle, and other 4-Stroke engine applications
  • Highly accurate with less than ± 0.10 AFR error over 10.3 - 19.5 AFR range
  • Easy free-air calibration procedure corrects for sensor aging effects
  • 0-5V analog AFR output for interface to EFI, Data or Dyno instrumentation
  • Wide supply voltage range from 11-18V allows operation from battery on small engines or race vehicles with out an alternator
  • Current draw is approx. 1 amp
Body Color Black
Universal Or Specific Fit Universal