Here's the front drag link assembled and installed on the front of the mower deck. Here's a view of all the parts contained in the mechanical lift kit:
It ships in a cardboard box, separate from the crated mower deck itself. The mechanical lift kit introduced mid-202 is this one: Here's the mower deck after removing the top and side of the crate: Everything was in crates when loaded on my truck, so this post will serve both for during the initial installation as well as the overall setup and adjustments. I picked up a fresh 1025R with the 60D mower deck a couple of days go. There was a change mid 2020 where new/different hardware was introduced for the mechanical lift for the 54 and 60D mower decks.