Get the Vortech HO 8# S-trim. It'll come with every single nut/bolt and wire-tie that you need for the install. If you use the FMU, no custom chips will be needed...
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www.alternativeauto.com . Thats where I got mine. Maybe not THE cheapest place on Earth, but that is who YOU need to have help you under customer service (which is EXCELLENT).
p.s. Look in my homepage MODS and ENGINE sections for my parts lists...