I dont know i was wondering the same thing. I see its an updated design but i want to be sure they do have better articulation before i buy them. If that fixes the noise then i would be happy with these arms.
I have a 99 with the bilstein/OME lift and i used these mevotech arms. Every time i hit a bump the ball joint bottoms out on the way up and it makes a clunk. So annoying i wish i would have spent the extra money for better arms