NEW PRO-BLEND TIRE CLEANER FOR RACING, 30 OUNCES 30 Ounce Bottle of Pro-Blend Tire Cleaner (Pro-Blend Part #7050). Cleans surface and "opens" pores of the tire. The mold release or "glaze" found on sticker tires needs to be properly removed before applying Tire Softener. Can also be used between races. Sold by Southwest Speed.