Originally Posted by Wrangler27
What size tires are these good for
That depends on your year/engine, tire size, manual/auto, modifications, etc
I had 315/75/17 duratracs, 3.6 pentastar engine, manual, lots of weight- bumpers etc
It was great for 26,000 miles. But I wanted a little more grunt for the high altitude of Colorado and towing. So if I wasn't at 5,280 feet to begin with and up to 11,000 feet and climbing mountain passes I would have stayed put at the 4.10 ratio.