stock dodge rims are 16x7 i'm running 305/75/16 which put into standard inch's are 34x11x16 and they mount up just fine they wear fine your not in any harm buy installing these tire's look at my truck you can see the tire's there's a couple pic's to look at and you can install up too 315/75/16 = 34.6x12.4x16 and be safe