There's a set of Ford 2.8 finned aluminum valve covers on e-bay if anyone is interested.
http://cgi.ebay.com/Ford-V6-Valve-C...ryZ33627QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Ford-V6-Valve-C...ryZ33627QQssPageNameZWDVWQQrdZ1QQcmdZViewItem