There seems to be very little information out there on this new series of spark plugs from Champion. I'm wondering what the difference would be from their other lines including the iridium series. Is this their attempt to get their plugs to work better with a multitude of manufacturers?
https://www.championautoparts.com/Spark-Plugs/Automotive-Spark-Plugs/oe-spark-plugs0.html
https://www.championautoparts.com/Spark-Plugs/Automotive-Spark-Plugs/oe-spark-plugs0.html