Regarding flange bolts/flange nuts used to attach levelers to frame - Got a reply back from Keystone Customer Service that said that they had someone check with Lippert and the response from Lippert was that they had previously used grade 5 and standardized the process to use only grade 8...and a mix would be fine. Not the answer I expected, but at least it is on record if I have issues. John
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2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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