Here is an NGK AFX Powerdex Wideband Air Fuel ratio meter kit. It is brand new, never used, still in the box. Through a strange twist of fate I ended up with two. The other one is fitted to my car and I am very happy with it's operation. These kits are rated very highly in USA, that's why I bought it. They come standard with the much more expensive & reliable NTK 5-wire sensor, which is superior to the bosch 5-wire sensor that many other kits come standard with. The controller has an easy calibration process which makes it suitable for use even with heavily leaded racing fuels. From the manual the suggested re-calibration period ranges from 2 months (street, unleaded fuel) to 2 hours (extreme racing, leaded fuel). The controller has a 0-5V output for datalogging. Price is $340 including postage.

 

 

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