Unless I've got the wrong part, they're not much like the factory pieces at all. Here's a factory sway bar bracket -They are almost identical to the factory pieces and reasonably priced.
So who knows what the placement measurements are? It looks like the bracket should be flush with the top of the LCA, and just about butt up against one of those "buttons." I imagine the end link has some wiggle room in it and the placement doesn't have to be 1000% perfect. Afterall the LCAs are going to be bouncing up and down and jittering around with the road surface.JR, you bought 70-72 B-body, E-body, and 73-76 A-body brackets.
If your have a 72 Charger, you have the right part.
You need to ask for measurements from end and top so you know where to weld it.
What year is your car? 70 up are behind the strut rod on the side of the arm.
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Probably I'm overthinking this. Going by T2R9's pic, the top of the sway bar bracket looks to line up with that ridge on the LCA. It looks like it's centered between a bolt head on one side and the raised area where the torsion bar adjusters go. I doubt if it matters if the bracket is off a mm or 2 in any direction.I do not think anyone will have measurements for you.
Better for you to do a mock assembly and tack weld them in the right place.