I have a 08 D8 With slp single kit "pipe, can and y pipe" also lots of venting, V force reeds, Slp air horn kit, PCV with Slp map. Just was wondering what you guys think I should run for clutching I know nothing really about clutching. I want to go fast in acceleration and top speed. Both recomened clutching for Sea level and 8 to 10 k. Thanks Guys PM me if you have any of the Helixes or springs that you suggest. Thanks