Radial Tractor Tube TR218A Valve Stem. This tube will work in Radial or Bias ply tires. Tube fits the following tire sizes. We try to describe our items as accurately as possible. The item "Premium Service Farm Tractor Tire Inner Tube TR218A Stem 270/95R52 270/95R54" is in sale since Monday, January 22, 2018. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Valves". The seller is "tswarehouse" and is located in Saint Paul, Minnesota. This item can be shipped to United States.