Pick same Morokei and Nahkriin options you took in Dragon Priests Retexture SE's FOMOD. Also make sure you are using that mod's Unique Dragon Priests SPID Addon.
All patches and versions available in the FOMOD
Chest textures are 4k, everything else 2k

Updates the CBBE group file and adds the Armors and Robes, which are unassigned to the CBBE group.
Safe to install anytime.

Same as main file but chest textures are 2k, everything else is 1k