tj tire sizes

Hello fellow Jeep enthusiasts. This is my first post though I come here often to read. I have a question that I'd like to answer before I put out the money for some new tires. I installed 1.25" wheel adapter spacers on my 2004 TJ which allowed me to change my stock 15" rims to 17" rims from my...

Hello fellow enthusiasts. I want to put 255/65 R17 AT tires on my 04 TJ. I installed 1.25" wheel spacer adapters and changed my stock 15" rims to 17". The original stock tire size is a 30" diameter X 9.5" width on 15" rims. I want to use the 255/65 R17's which will still be 30" diameter but...