The 2002 Castrol-PITWORK from Nissan Racing. Update to remove multiple texture from teams folder and added the crew and pit box. To update fully you will need
https://www.racedepartment.com/downloads/nissan-gt-r-gt500-2003.21247/
Install; Extract rar, Zip to your Assettocorsa directory.
If you wish to keep the original skins, unpack the rar, Zip and rename the cars folders before manually installing.