Make Model Spec PORSCHE 911 CABRIO-SPEEDSTER 993 911. SPEEDSTER tyre pressures Size Front Tyre Buy Tyres 205/50R17 Z 89 2.48 BAR / 29 PSI Buy Tyres 225/40R18 Z 88 2.48 BAR / 29 PSI Buy Tyres What should my pressure be?
