Blue or Red would be fine. Good that you're already familiar with the blow torch trick for removal of fasteners with red threadlocker.
If you went the red 263 route, you'd likely have to use a little crack pipe size torch to soften the material up enough to allow you to remove the fasteners.
If you didn't want to go that route, pn. 1329837, the blue 243 primerless threadlocker would be fine as well in my opinion.
Of course my opinion is worth exactly what you paid.
Seriously, the blue would be fine.