NGK Powerdex AFX Wideband Air-Fuel Ratio Monitor NGK Powerdex AFX Features: The AFX measures and displays air-fuel ratio (AFR) from 9.00 to 16.00. It demonstrates superb response and accuracy within 0.1 AFR. The air-fuel ratio information can then be utilized by the user to make fuel delivery adjustments to the vehicle's carburetor, mechanical fuel injection, or programmable electronic fuel injection system. The desired air-fuel ratio can be achieved depending on the performance requirements of the engine or race application. The NGK AFX features an LED readout along with a 0-5V linear analog output for AFR readings that can be fed into a datalogger, engine controller, or gauge with 0-5V input NGK Powerdex AFX Includes: AFX Controller/Digital Display Unit 13 Feet Wiring Harness Wideband Oxeygen Sensor V-Net Cable Connector for use with a RacePak V Series Recorder (You don't have to plug this connector in for it to work, only if you want to use it with a Racepak system) I have this on Ebay too http://www.ebay.com/itm/111228154499?item=111228154499 List Date: 11/28/2013 For more info, click here to view the original listing: NGK Powerdex AFX Wideband Air-Fuel Ratio Monitor -------------------------------------- On Sale For: $99 + $16 Shipping --------------------------------------