I have a mostly stock 1986 Grand Prix. I have aftermarket American racing rims and BFG tires. I think the fronts are 235 60 15. Every time I hit a dip my front crashes down on the front passenger tire and makes a horrible scrape sound. I would like new shocks and springs that would ride nice , (a little stiff is ok), that will ride about stock height. I've read that blistering and mood might be good options. Can someone provide specific part numbers? I would really appreciate the help. Thanks.