I have a 2007 tundra x-sp 4x4 that came with 285/55R20 BFG's. i am wondering if a 305/50 or a 305/55R20 will fit on it stock...no lift or leveling kits installed?? It has the JTI wheels on it.....thanks for your help.
Here's a link to a tire size calculator which will answer all you questions about the diameter. 305s interfere a bit with the skid plate, but it's a fairly easy mod. There are about a half dozen threads here about how to do it. tire size calculator