you'll need the 8 lug rotors, spindles, calipers, wheel bearings, upper ball joints, and upper control arms for the front, use your existing factory lower control arms and lower ball joints. The 8 lug spindle will fit on your lower ball joint and the upper control arm will bolt on your frame. All you need then is a 14 bolt 8 lug rear end. This is a direct fit modification that will bolt right in.
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Here is a front setup I got for my 1/2 ton but never swapped over. I was going to get a set of h2 wheels but changed my mind.