- MKC tools
- Jacob Anderson
- Forums
Mark V to Mark 7 table upgrade:
https://shopsmith.com/product/mark500upgrade
Different arbors:

Quill upgrade:
https://www.shopsmith.com/product-page/quill-upgrade-kit
The problem with the quill upgrade kit is that it is a 2-piece spindle instead of a solid 1-piece.
MKC machines old 1-piece quills and adds a second bearing, which is much more solid:
Bearings:
