What is needed is a extended valve stem that will let you quickly check your tire pressure. Extenders have a very bad habit of leaking.
The best on the market,that are the original,are
Tire Man.
Chuck is the original designer of these an he has been around for years. If you have any questions just give him a call, he is always happy to help.
The kit looks like
This it is for all 6 wheels,they also come with flow-thru valve caps so you don't even need to take then off to check the pressure.
Here is a list of all the products he sells.
2006 TIOGA 26Q CHEVY 6.0 WORKHORSE VORTECFormer El Monte RV RentalRetired Teamster Local 692Buying A Rental Class C