It's important to keep to the cars original tyre circumference, what we do is fit larger alloy wheels and a smaller profile tyre to compensate, otherwise gearing, speedo, engine management could be affected, this tool can be used to ensure this. Can also be used to find cheaper alternative sized tyres, therefore saving you money.
17" ZCW Angel BPL
16" Wolfrace Triad Silver 10 Hole
18" AEZ Airblade Black Polished