6/3 BDS kit,w/ Fox coilovers, I started with a 295/65/20 on stock wheels. Now 37/12.5 on 17" Hutchinson wheels. I love the 37's, great ride. I have some extra weight on the front and back. I have 3.92's, truck still drives well with the 8spd. I would love to have some 5.13's. Last pick...