BDS is good, I went the "roll your own" route. a 2.5 lift and 32 inch tires (265/70r17).
1988 Suburban 1/2 ton, similar to the one your looking at.
I used 2.5 inch Superlift front springs, a 2.5 rear flip kit, some Monroe shocks, and some sway bar links. Rides nice and performs great. You can...