Vogue Tyre Cleaner. Find it online or from a Vogue distributor. Ajax or Comet cleanser will do in a pinch.The white strip is NOT the same material/texture/hardness as the black part of tire. Almost...
Floyd Linstrom was the first to made a mold to applied white rubber to a side wall and made the first white eall on a tire be for that was made Portawall white wall you would put on the wheel between...