Thank you to those who pointed out the correct letter stamping of Chrysler bolts used on early 300s. I had mainly noted they are usually in a square arrangement, sort of DDCC looking like, and now I realise where I was wrong - that each stands for the various Divisions, and the four correct letters. Another two corrections, the second set of cast numbers on the diff centre is 335, not 355, as I said earlier, and the stamping on the diff centre nuts, actually looks more like a sunken square than a D, plus you can make out a little dot - over to those more knowledgeable that can now say who their maker/supplier was. And one final point re the diff in the car - it still has the early type (300C original) uni joint, not the later (60s sometime?) more easily available one - so it may/should still be the original diff/centre? But one would think the actual centre would be marked as some sort of limited slip, rather than stamping the housing, unless this done for assembly line purposes - the stamping is on most easily seen/describable place?! Or else it is just a stamping on all 300C diffs?! Christopher 3pm and a not too hot 101 degrees outside _________________________________________________________________ Messenger's gift to you! Download free emoticons today! http://livelife.ninemsn.com.au/article.aspx?id=669758 [Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/Yahoo! 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: mailto:Chrysler300-digest@xxxxxxxxxxxxxxx mailto: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/