Metal in the pan, shifts good, fluid great any guesses before I pull it down?

So I did drag week, put about 1100 miles on the car and struggled all week. Did the forward manual valve body kit they sell, didn’t put the cable or linkage on for the lever for trans pressure, didn’t think I needed it. So I put on a zip tie to survive the week. Finally dropped the pan and a bunch of small shavings. Trans shifted good overall, fluid is in great shape. Decided this weekend to pull it out to inspect it. Not sure if something not happy in there or not.

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