The 4.0L 6 cylinder.
I am seeing in my owner's manual.
NGK LFR6C11 (stock 7787) and Denso K20HR-U11.
I'm seeing this on the denso website.
Just a moment...
For others w/ the v8, I'm seeing Denso SK20R11 and NGK IFR6A11.
Anyway, those are the stock numbers. Are those just copper electrodes...