Ours has the same thing... Can't answer your question but I see your point. We use blocks front and rear , but wish the rear jacks (round) would go up further....
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Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
1ST CAV
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