2002 GMC Sierra 1500 HD Q&A

2002 GMC Sierra 1500 HD Question: proper tire inflation

My tire sticker is missing. What is the recommended tire inflation for my truck? Can I get a new sticker? Where? -
Answer 1
The sticker will likely be available only from the dealership. -
Answer 2
These are E rated 10 ply tires max psi 80. -