Lightweight Steel Drag Wheels On A Budget

sabre67 said
Do you recall the center diameter of the hole in the Bassett wheel? Thanks

3.125”

https://www.amazon.com/gp/product/B091PYXQY8/?tag=fabo03-20

The caps are approx. .090” thick, so a shim type spacer is needed as the rim mounting flange is flat with no recess for a cap.