alright i think i am going to go with the pacific dualies wheel simulator. now my question is the valve extender for the rear tire. i did a search and someone said that a stainless steel valves is the way to go. is this something i can buy at discount? or do i need to buy them myself? or do i need a valve extender? basically do i need a stainless steel valve and then get a stainless steel valve extender? what advice do yall have.... thanks again for the help...

Randy