Spring Code
WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Spring codes are listed as a 2-part code. Characters 1 and 2 identify the front springs. Characters 3 and 4 identify the rear springs. Front spring base part number is 5310, rear spring base part number is 5560.