Stop in for a cup of coffee

It may be a little challenging...

the butterfly plates are staked in so the screws don't come out and take out a cylinder... They can be difficult to remove, and even more important, getting them in and secure enough so they don't "rattle loose" and get into a cylinder later... You would need to restake them without bending the mounting shaft so they don't come out...
Karl, thank you for mentioning this! Made me realize I might have forgotten to do this on the Holley 600 I sold. I just PM:ed the dude who bought it.

In the kit I bought, little strips of teflon were included to re-bush the shaft. It won't fix a worn out housing, though.