Although I hated stamping them on my Jeep WJ for almost $50 for two sets of front axles, I VERY much do glad i have . I just took the originals apart while doing wheel bearings a month ago and now I had to do ball joints. The originals were so rusted that you couldn't bite off some to screw them back to spec and cut out the heads, making them all the more interesting to take out again. They came back and were tightened to spec and saved me a lot of time and headaches.