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The only benefit of these is the extra clearance. Which isnt really an issue in the first place. I've never been hung up on a drop box. Considering that these are about extra clearance, I'm going to assume the arm wraps around the axle housing tighter than a stock and other aftermarket arms. If this is the case the arm and housing will contact and bind up earlier when everything is twisted up.
For that extra clearance you get a shorter arm with an increased angle from the chassis mount to axle comparatively for any height, which is going backwards geometry wise and it will get worse with more lift. Amongst many other things and VERY generally speaking, a longer and flatter link is better
Hybrid long arm every day if you are going to stick a radius arm style set up