Originally Posted By 70Cuda383
The browning happens with ALL white letter tires that I'm aware of. Bleach White spray and a scrub brush when you wash the car will bring them back to pristine white again

This particular problem will not be resolved with bleach white spray. I have had 3 sets 255/60/15 and all 3 sets have had this problem. This seems to be the only size having this problem. The only way to fix is with white paint pens.