Yeah it’s definitely an oddball. Not sure where they got the 4wd idea from? I don’t know for sure what the z62 option includes but I was reading here
http://67-72chevytrucks.com/vboard/s...d.php?t=635040
That it’s necessary in order for it to be a real highlander. And with this having the Z62 and the Z11 color code I’m reading it to be the blue plaid seat covers.