2008 Toyota Tundra Owners Manual - Page 489

07 11.20 -Tire size -Name of each section of tire XS20012 SU21026a SU21027 This illustration indicates typical tire size. 1. Tire use (P=Passenger car, T=Temporary use) 2. Section width (in millimeters) 3. Aspect ratio (tire height to section width) 4. Tire construction code (R=Radial, D=Diagonal) 5. Wheel diameter (in inches) 6. Load index (2 digits or 3 digits) 7. Speed symbol (alphabet with one letter) 1. Section width 2. Tire height 3. Wheel diameter 1. Bead 2. Sidewall 3. Shoulder 4. Tread 5. Belt 6. Inner liner 7. Reinforcing rubber 8. Carcass 9. Rim lines 10.Bead wires 11. Chafer 459 2008 TUNDRA from Apr. '08 Prod. (OM34477U)