Belize - re aluminum plate - you have dissimilar metals in contact with each other so some corrosion may occur. More importantly is the rubbing of metal on metal via vibration. Just my thoughts.
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Ray
Beastie 3: 2002 7.3 EB Cargo: Agile TTB, CCV High Top, Custom Walk Through, Lots of stuff added. www.BlingMyRig.com