Mopar but not A-Body specific

Calling all Spark Plug Whisperers...

What do you make of these

(excessively worn, yes, no driveability issues prior to change, other than ping going up hills with 85 octane fuel, no ping on 87)

2,4,6 front of engine (3.3L )

spark plugs.jpg spark plugs 3-4.jpg spark plugs 5-6.jpg