8 years ago I had nearly zero problems installing new radius arm bushings. This time? Jeeze, two days, as it took me a full half day to figure out I needed to use my floor jack to break the nuts loose, then use a cheater bar on my ratchet straps. Once I figured out I wasn’t as strong as I was when I was 60, it all went pretty smooth. LOL !! I’ll let everyone know how the dobinsons adjustable bushings work out. I did get 100,000 miles outta the Slee 3degree bushings.