i got them from jeff hoepker. i know he sells them on ebay.
he now makes strut mount spacers and a spacer for that center ball link at the rear diff.
nice material. i recommend.http://cgi.ebay.com/ebaymotors/2-COIL-LI...=item414ddb928c
i'm not sure about later models- mabe you can contact.
i made my own strut mounts and diff. spacers.