Yep he traded @Justin V for doolie hubsWhat are you running to make up for the backspacing on the wheels? Spacers and dually hubs?
And sweet jumpsThat and I have my machine shop buddy making me some sweet spacers.
These are on my brothers.
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I'm going to assume you meant "any" sweet jumps.And sweet jumps
The one tire I put air in is holding strong at 10psi.
Borrowed a small roofing compressor to air up the others since my big one crapped out a couple weeks ago.

Replaced? No.You replace the o rings?