the shocks need to be the correct length for the lift done. mounting points don't matter, (per se), just the correct length. sounds like perhaps your PO didn't change the shocks after lifting it, or installed the wrong length shocks after.
if you bought shocks based on model year/part number, and not the actual operating length, you'll likely have the same problem. you need the measurement between the mounting points, the type of mounting points (eye or stud mount), and then any decent parts guy can find you a shock that falls (basically) in the middle of that range.
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