2007 Lexus GS 350 Owners Manual - Page 578

6-1. Specifications Type B Tire size 225/50R17 94W, P225/50R17 93V, T155/ 70D17 110M (spare) Driving under normal conditions 33 psi (230 kPa, 2.3 kgf/cm2 or bar) Driving at high speeds above 100 mph Front and rear tire inflation (160km/h) (in countries where such speeds pressure are permitted by law) (Recommended cold tire inflation Add 7 psi (50 kPa, 0.5 kgf/cm2 or bar) to pressure) the front tires and rear tires. Never exceed the maximum cold tire inflation pressure indicated on the tire sidewall. Spare tire inflation pressure (Recommended cold tire inflation 60 psi (420 kPa, 4.2 kgf/cm2 or bar,) pressure) Wheel size Wheel nut torque 17 × 7 1/2 JJ, 17 × 4T (spare) 76 ft•lbf (103 N•m, 10.5 kgf•m) 506