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Shouldered Ring Gear Bolts

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Custom Diff knows a number of tweaks that help make the Ford 10 1/2-inch more reliable. One is to use shouldered ring-gear bolts from Dana 60 or 70 applications, because they're less likely to loosen over time like the non-shouldered factory bolts. If the bolts loosen, major damage ensues. We also installed a new ABS ring, though our factory ring was fine and could've been reused.

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