Mark's FT8 was almost box stock, with the addition of just:

U7837 - C/F Upper Bumper - Mi7,FT,Mi8,FT8,Mi9

U8256 - Alloy T Brace - Mi8,FT8,Mi9

U8244 - C/F Upper Link Mount 1 Dot - Mi8,FT8 (pr) x 2

RT033 - RipTech RC - Ti Upper Screw Kit - FT8