72-93 truck clutch linkage questions

Hey guys, I’ve been preparing my 318/auto 83 RamCharger for a big block and a 4 speed (np445) and I’m trying to make sure I have all of the clutch linkage parts before I put the drivetrain in.

Is this everything I need?
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Is this a factory welded clutch rod? It looks very questionable.
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The bell housing has the ball pivot thing on the side of it. And a small bracket inside of it.
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When I googled it, I found a “complete” kit on eBay that had another large bracket with the Z-bar, but I can’t figure out what it would be for.
Thanks.