I cant say for sure but it looks like a ujoint suspension and the atlas springs usually have the yellow colored marking on them like in one of their photos. I'm kind of surprised they wouldnt put that it's a Ujoint kit as thats normally a selling point. Maybe because it's not finished.
2010 E150 5.4, E250 suspension, E350 springs, BFG KO2 265/75/16.
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