1930 deluxe roadster stanchion question

Hi all. I'm trying to install my upper stanchions but the studs mounted to the factory lower stanchions seem to be too long even with the small s.s. washers. When I tighten the wing nuts, they bottom out before they get tight. Is there a spacer under the stanchion? Thanks.
 
Screenshot 2023-03-22 003543.jpg

pg 78 of the brookville catalogue has an exploded view.

https://brookvilleroadster.com/wp-content/uploads/2018/10/Brookville-Catalog-2018-Reduced-X2.pdf
 
If the steel cups mentioned above are not missing, they might be worn enough that the wing nuts do not hold the stanchion securely. On occasion, I have added one or two of the small stainless washers to compensate for the wear. Seemed to work ok and are not very noticeable
 
I needed one wingnut, ordered one from snyders , the repo's are cast a tad smaller, there for the hole could not be drilled deep enough making the same problem you have, bottoms out .
 
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