Rota 17 RKRs

https://www.ebay.com/itm/2754372502...SiUjO87Qsa&var=&widget_ver=artemis&media=COPY
Thinkin about putting these on the duster. But a little concerned on clearance for my 13” cobra brake kit from doctor diff fitting. Also the front width of 8.5” and stock upper a arms.