What is your question?
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What is your question?
Are these tire sizes compatible?
DEPENDING ON YOUR SUSPENSION, SHOULDN'T BE A PROBLEM. THE 18" TIRE WILL BE 1.3 INCHES TALLER, SO YOU JUST HAVE TO HAVE THE CLEARANCE. USUALLY A LEVELING KIT WILL PROVIDE THAT. DO NOT USE WHEEL SPACERS THOUGH.
What about Anti-lock brake function? Vehicle speed sensor function? Vehicle load capabilities? Stability concerns with less rim and more tire sidewall? What about automatic transmission shift points and speedometer functionality? It's reckless and dangerous to change from factory recommended sizes to something never meant to be on the vehicle.