I bought the wheels from a company who advertised them on eBay but bought them outside of eBay because I wanted wheel/tire packages, lugs, TPMS, etc.
A current ad on eBay has the specs and 4 wheels for sale at $749 - not bad... Helo 791 Chrome 17x9 Chevy Dodge Ford GMC | eBay
mine are:
Bolt...