Why not use body lift pucks? You can get them in 3", 2" and 1.5" and 1".... mix and match to get the length you want. Given the size tires you want to run i'd say start with a 3"+1.5"...
Here's 3, 2 and 1" spacers:
http://www.summitracing.com/search/b...s?autoview=SKU
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