Best shifter out there, I worked my way up to it and then I hit the home run..
Yes you should do all the other bushings and mounts first or you're wasting time, then the home run is unicorn tears.
I tried Swepco, very good stuff, I liked the Amsoil synchromesh better, then I found this,
https://www.amazon.com/gp/product/B000NUES82/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&th=1
Genuine Ford Fluid XT-M5-QS Full Synthetic Manual Transmission Fluid -
Silly price but it is a game changer on my 915 with 300k on it.