I have had 3 sets of dually valve stems installed on 19.5 tires and haven't had to rebalance any of the tires. The tire shop recommended that I drive the coach and see if the tires needed to be balanced before spending the money to balance them. YMMV
Jon
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Jon & Sue Francis (Retired U.S.A.F.)
Lil Girl-Rescued, Abby Rescued, Peaches Rescued
06 Allegro 35TSA Workhorse Chassis
2013 Chevy Spark Dinghy
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