Torque # For Iron Rocker Lock Nuts?

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I believe these were new adjusters that were installed by Rocker Arms Unlimited when I had the rockers bushed and clearanced. I emailed them to ask what they are, but haven't heard back yet.

this next photo I tried to delete, but can't figure out how. Oh, well.
(This is the exhaust rocker at full lift.)

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I like to see a couple threads above the nut and below the rocker. It doesn't look like that there...

push rods about .040-.050 too long?