why? where would you find tires? 12" wheels probably would only clear 9" brake drums.

or do you mean 12" WIDE wheels? no, you're probably looking at contacting a company to get them custom made

1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)