Therefore, you should also think about what size suspension lift you're planning to use when thinking about larger tyres than 30 Inch Wheels. So you might be able to move up one or two sizes without installing the lift depending on the vehicle. When the steering is locked, there could be problems with larger tyres rubbing against your suspension parts. If you want to upgrade your wheels as well, you might want to think about going with more of a negative offset, or more backspacing, if you will. Otherwise, you might need to buy a set of spacers.