I've been following the discussion on trailing arm bolts with great interest. Many years ago I studied Mechanical Engineering for a couple of years before switching to Computer Science and ending up in the computer industry. With this background I was able to follow Toby's technical discussion pretty well, although I would be the first to say that there is no way I could duplicate his work! His analysis of the bolts really makes a lot of sense. While John Hervey's 12.9 bolt does offer an upgrade over the stock bolt, I really have to go with the custom bolts that Toby is proposing. I really think that this is a case of "You Get What You Pay For". And for a $66 one time purchase I really think the custom bolts are the way to go. Keep up the great discussions on this list! I love it! Mark N VIN 6820