we do these all the time at work. we sell an updated valve cover, single upper intake gasket, intake oring gaskets(bag of 6), isolator bolts(bag of 8), new pcv valve, and pcv elbow(oftern cracked and leaking. we also recommend the updated dpfe if the original aluminum one is in there. hope that helps.
2003 Ford Expedition: 5.4L, harley supercharger, 2.93 upper pulley, 4lb lower pulley, c&l plenum, jlp cai, LFP SBTB, FTSP, Magnaflow 3" catback, Eclipse AVN-5510, white face gauges, cobalt c2 boost gauge, ddm hid's, 379 rwhp, 465 rwtq sold 11/3/12
2009 Ford Flex Limited AWD