Make Model Spec PORSCHE 911 CARRERA 4 996 911. CARRERA 4. 18 OPT tyre pressures Size Front Tyre Buy Tyres 225/40R18 Z 92 BAR / 0 PSI Buy Tyres 225/40R18 Z 88 2.5 BAR / 29 PSI Buy Tyres What should my pressure be?
