I've been trying to determine who was the manufacturer for the assembly line spark plug wires in 1973 was, specifically for a 440 if that makes a difference.  I have searched the forums and do not see an answer.  I know GM and AMC used wires made by Packard in the 60's and they were not labeled GM or AMC, only Packard.  I do not have this same knowledge on Mopars.  The reason I'm asking is the 2nd owner of my car installed a set of aftermarket wires on it but kept the box from these and there are a set of Standard wires in what I believe to be the correct colors and boot style in it.  They are marked C3, my car is a late Febuary build so I'm a little stumped on both the possible date if it is C3 and who actually produced the wires for Chyrsler, any opinions on this?
	
		
			
		
		
	
				
			
			
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