Go with a leveling kit, It will do what you want... Give Ben a call at Extreme Suspension & Performance He is the distributor for Dick Cepek. and is a great guy to deal with and unbeliveable customer service, he will take care of you if you have a problem with a product... If you change the rear oem F-250 block to a oem F-350 block you will gain 1 and 3/4" in the rear and you also order a leveling kit for the F-350 you will raise the front around 3"
315/70/17 = 34.4x12.4/17
315/70/17 = 34.4x12.4/17
