- Official Post
Here is an Ebay auction for NOS C0AA 5586 B leaf spring inserts by Ebay member "welbury3028" with a Buy-It-Now of $50.00:
NOS New Ford COAA-5586-B 1964-1973 Mustang Rear Spring Insert Anti Squeak OEM.
Package with 8 inserts
https://www.ebay.com/itm/NOS-New-Fo…GQAAOSwZEtdnK8G
-Fred-