If you mean the headlight rims, Chevy Duty sells a chrome set: http://www.classicparts.com/1964-66-Headlamp-Rims-Chevy/productinfo/48-018/ If you really need aluminum you might check with Tony Smith, he specializes in 4-5-6 C10's. His contact info is listed under the "about me" tab: http://67-72chevytrucks.com/vboard/member.php?u=17302 The other options being eBay, swap meets or junk yards.