butterfly valve throttle assembly

[smallclone]

in search of a good one. springs must be in good shape.

[Spittybug]

I've got one. Great shape. Springs are fine.
What are you offering, these things are hard to find.... DMCH doesn't have them any more. I found this one online for you at $317+. https://www.ebay.com/i/122934568924?chn=ps

Take a look at my pictures. Let me know.