Here are some links to pic's of the "rare" A/C valve covers and the differences between the 57 and 58 The clean one is from my D with factory A/C and you can see the plumbing ports for the power piston return lines The grubby one is from a C and yoiu can plainly see the difference. Hold on a second while I wipe the egg off my face here Paul!! http://i78.photobucket.com/albums/j96/finsruskw/valvecovers002.jpg http://i78.photobucket.com/albums/j96/finsruskw/valvecovers001.jpg http://i78.photobucket.com/albums/j96/finsruskw/valvecovers007.jpg http://i78.photobucket.com/albums/j96/finsruskw/valvecovers008.jpg Hope you all can open these links Dave Schwandt ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/