I will be changing my OEM E rated tires to G614's probably in the spring. My dealer told me the wheels are 110psi rated, but I will be verifying this myself before I make the change. As was said above, "expensive", but that is OK with me in this case.
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof