I just purchase 2 new OEM rear/upper control arms for my Caprice. About $53.00 shipped.
They came from Dorman Products Inc. Portland, Tn.
http://www.carid.com/1979-chevy-caprice-suspension-parts/dorman-lateral-link-85014476.html
The ones for my Buick were part #520-572 Same as the SS Impala's
They came from Dorman Products Inc. Portland, Tn.
http://www.carid.com/1979-chevy-caprice-suspension-parts/dorman-lateral-link-85014476.html
The ones for my Buick were part #520-572 Same as the SS Impala's