The Gil-Bilt combo Lathe/Drill Press is a handy tool; assuming that you have the drill chuck and lathe spindles. The great news is that the spindle on this tool is a 5/8" spindle, just like the one on the Shopsmith Mark V and other Shop-Smith 5-in-1 tools.
Click this link for Shopsmith chucks faceplates and other lathe accessories for sale that fit the Gil-Bilt Drill Press/Lathe.