So my '85 B150 failed inspection due to wobbly idler arms. I decided to spend a little bit more than bare minimum for new ones as I am goin on a long road trip in a few weeks. The arms I bought are quite different from the arms I pulled off. They don't fit right, they are too short where they attach to the frame and don't have the flanges like the one pulled. If I use one of the provided washers, it is still too loose, but two washers is too much. I have shopped around and the only ones that look right are ones from NAPA that cost $125 per arm and I need two. Every other arm looks exactly like the wrong ones. Am I being stupid and these just need proper shimming? Why are the only ones that fit right over $100?


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