I agree with Frank and Craig for a non-track car. I'm running the Carerra's @ 200# in the rear and Pro Shocks up front @ 350# w/3link and Eibock springs all around. I installed the FFR Konis on all four corners and took them off after a month. Love the ride and still out-handles most cars on the road but that wasn't my objective. Just much easier to live with and enjoy. The other BEST thing you can do is free up the suspension front and back by adding the Breeze bushings to the front lower CAs and Spohn lower control arms out back.