Intake manifold info and AC bracket

I am putting the finishing touches on my assembled powertrain ahead of re-installation.
The intake manifold is (I’m told) from a 360. It has part number 4323352 in the casting.

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I went to put the AC pump back on but I am missing the bracket on the drivers side. It’s triangular shape. It connects to two lower bolts on the AC pump (circled in red) and one bolt in the intake manifold (circled in yellow). On my original 2-barrel intake, there is about an inch raised boss (instead of a what looks like a capped hole) where this triangular shaped bracket attached.

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1. Can anyone give me info on the manifold?
2. Does anyone have the correct AC bracket for an RV2 pump and this intake manifold?

As always, thanks for your help