Try this Carlton.Looks like you have J or early K heads.73.5cc volume. http://www.moparpages.com/tech/articles/tech2.html Dave ----- Original Message ----- From: "Carlton Schroeder" <schroe99@xxxxxxxxxxxx> To: <chrysler300@xxxxxxxxxxxxxxx> Sent: Sunday, January 08, 2006 9:26 AM Subject: [Chrysler300] Additional 413 question > Thanks again to everyone for continuing helpful input on my 413 rebuild > questions. > > After knowing better what to look and with the help of the engine > rebuilder the stampings on my block are S41, HP, and 2 - 12. Any > identification that might have been on the crank was not decipherable. > The heads have been gone over and have valve seat inserts. The head part > no. is 2402557-2, with 2.08" intake valves and 1.74" exhaust valves. I > can find some similar part nos. - but nothing matching. Can someone > identify these heads for me. I'm interested in knowing the combustion > chamber volume if that info is available. Also, I would like to know if > adjustable rocker arms are available for these heads. > > Thanks, > > Carlton > > [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 > Yahoo! Groups Links > > > > > > > > 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 Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> 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/