yeah, I gave those dually valves a hard look. I think they are likely just about the best solution if otherwise extensions are needed.
I had braided ones from the factory on mine, and had lots of leaking problems.
Ended up buying some rigid extensions. Better, but the push rod that goes through to push the valve would get bent and didn't play well with my TPMS sensors.
Before our big trip this past summer, I finally decided to remove the wheel simulators permanently. Had to paint the wheels because of all the scratches form years of pulling them off and on putzing with those blasted extensions... but I wish I had done that years ago!!! Now I can actually use the hand holes to remove/replace the dust caps and the TPMS sensors and airing up is no problem with the right inflation chuck.
when I boil it all down... the problems really aren't as much with the extensions as they are with those wheel simulators. I put mine in storage in case a future owner wants them, and I am happy without them!
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