Make Model Spec PORSCHE 911 CARRERA 997 911 CARRERA. 18 WINTER TIRE tyre pressures Size Front Tyre Buy Tyres 235/40R18 V 91 2.5 BAR / 29 PSI Buy Tyres 225/40R18 H 88 2.5 BAR / 29 PSI Buy Tyres What should my pressure be?
