On my Sprinter Citation I've been through rigid screw on and braided extensions with nothing but problems. I finally spent the money for Dually Valves all around with TPMs. I've put well over 30,000 miles on mine now with no problems and a lot of peace of mind on the road. The only problem is finding a competent and trustworthy tire shop to do the installation with particular attention to the correct tightness and absolutely centering the extensions through all of the rim holes. If they touch a side of a rim hole, they will wear thru. But, if you are a devotee of complicated tire rotation, Dually Valves are not for you.
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