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Like I said before, you can't use the rear FJ coils on our 3rd gens.
Here are two sets of coils on the first page of the classifieds here that will lift the rear of your truck:
http://www.toyota-4runner.org/sale-suspension-wheels-tires/141595-lc-9-wrap-coils-%2480-obo-sonora-ca.html
http://www.toyota-4runner.org/sale-suspension-wheels-tires/142536-fs-trade-fj80-9-wrap-coils-shocks.html