Bell raceworks Rear differential brace(finned) question

[Egark]

I recently installed the bell raceworks rear different finned brace and I noticed that the subframe screw on the rear differential wasn’t completely flat.

I took the brace out and remounted it and it provided the same result. So then I tightened down the screw as far as it goes. Is this normal with your installs too? I couldn’t find much info about it and there is no install instructions.

Here’s a view of the other side of the subframe screw.
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