Dually valve stem extenders; which one?

I bought a set from Tire Man for my dually. They work perfectly with my tire pressure monitoring system that requires steel valve stems. Don't even consider the braided, flexible stems. Tire Man is at http://tire-man.iwvisp.com/. They are not cheap but you will never need to replace them.

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Just a heads up, not sure what tire pressure you're looking for, but not all will go up to 60+lbs...

Mine are at 90 lbs and I went to fill, but the pumps only got to 40lbs...
So just a "Heads up" there...

I purchased Tire Man many years ago - couldn't be happier. Seems like the only time air pressure changes is with the weather - they seem to be leak proof.

We had several topics on the subject and I am still in favor of tire equalizers or .... nothing.
Each additional fitting brings risk of leak. Even with modern TPM you will get warning, I like the idea of equal pressure in dually and single valve inflation for both. The visual gauge on them also helps a lot when you keep truck in storage for long time.
With inflating at gas station I had bad experience as well.
Not only the compressors are set well below what truck needs, but very often chucks are beaten up.
My tires require inflation once a year, so I do it at home with oil-less compressor and making sure I have dry air.

I also purchased the Tire Man extended Valve Stems,several years ago and I am very happy with them.

The problem is that Chuck,the original designer of them has passed away and it seems that His business has passed with him.

The only alternative to his is the BORG line. They are a copy of Chuck's original design,and I am told they work well.

I have the BORG on my MH. They work just fine. Those braided extensions are a total waste of money and are putting your tire at risk.

Not sure on the brand of extenders, but it is very important you have metal valve stems and not the rubber. Be sure they are for high pressure. If you use the rubber stems, they could break.

I'm using Milton S440-4 4.125" Heavy Duty straight extensions. Brass with chrome plating. Amazon $9.78.

Another suggestion. Buy a tire stem pressure switch tool and replacement valves. Advance Auto had a kit, with the tool and several valves. I have used the metal tire extensions for my air bags. My dealer installed them in the wheel wells, so I put them from the well to the inside of the pick up box. In 2-3 years I have needed to replace several of the tiny valves. It is easy to do.