2 5/16ths was the size for all Airstream products after about 1968-69. So 2 5/16" is what the OEM Argosy hitch has. It's easy to find that in a 10,000 pound rated shank to fit in WD hitch bars.
2 5/16ths was the size for all Airstream products after about 1968-69. So 2 5/16" is what the OEM Argosy hitch has. It's easy to find that in a 10,000 pound rated shank to fit in WD hitch bars.
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