Tire Sidewall Tires Performance Cooper Zeon RS3-G1 Cooper Zeon RS3-S Cooper Zeon RS3-A Passenger Cooper Zeon RS3-G1 Cooper Zeon RS3-S CS5 Ultra Tournig CS5 Grand Touring CS3 Touring CS1 Cobra Radial G/T Light Truck Discoverer AT3 LT Discoverer AT3 XLT™ Discoverer ATR Discoverer HT3 Discoverer S/T MAXX Discoverer STT PRO Sport Utility Cooper Zeon LTZ Discoverer SRX Discoverer AT3 4S Discoverer ATR Evolution H/T Customer Care Dealer-Locator Tire Selector Dealer-Locator Warranty Information Contact Us Safety Tire Safety Tips Tire Inspection Proper Tire Inflation Wheel Alignment Rotation Proper Loading Tire Alterations Proper Tire Repair Storing Tires Used Tires Tire Maintenance Tire Alignment Tire Inflation Pressure Tire Rotation Tire Tread Tire Replacement Guide Tire Selection Tire Service Life Load Capacity Speed Rating Tire Mixing Approved Rims Vehicle Modifications Tire Mounting Tire Sidewall Tire Sidewall Information Tire Identification Number (TIN) Uniform Tire Quality Grading Temperature-Traction-Treadwear Sponsorship About The Sidewall The sidewall of a tire includes a lot of important information. The numbers and letters identify the tire's basic dimensions and performance standards, identifies the week it was produced, along with the tire's maximum inflation pressures and loads. This section will help you to understand those numbers and letters. For assistance in selecting a replacement tire, always consult your Cooper Tire dealer.