This Edelbrock Wide Band Air/Fuel Ratio interface unit will not only work with all current Edelbrock EFI systems, but with any aftermarket EFI system that can accept a 0-5 volt input for monitoring Air Fuel Ratios. 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. For data acquisition applications requiring two oxygen sensors, use Dual Channel Wide Band kit #91170. Edelbrock Dual Channel Wide Band Air/Fuel Ratio Kit 3532 Includes Interface Unit/Sensor/Weld-In Bungs/All Necessary WiringImproved Closed Loop Control Of Pro-Flo EFI Sys.Suitable For Automotive And Motorcycle Apps.Highly AccurateEasy Free-Air Calibration Procedure0-5V Analog AFR OutputWide Supply Voltage Range From 11-18VCurrent Draw Is Approximately 1 AmpCompact Waterproof EnclosurePit Stop USAoffers Edelbrock Dual Channel Wide Band Air/Fuel Ratio Kit 3532 at low everyday prices. Be sure to check out all of the products from Edelbrock including Edelbrock Gauges and Gauge Accessories, Edelbrock Gauges - Electric and Mechanical, Edelbrock Air Fuel Ratio Gauges.