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			I have a original factory dated holley 3811 air horn. The date is 6B2. This is for the 427 big block engine.  There are no extra holes but there is a small crack in the rear vent tube as shown in the pics. 250.00 OBO 
		
		
		
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			#2  
			
			
			
			
			
		 
		
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			pm sent 
		
		
		
		
		
		
		
		
	
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			#3  
			
			
			
			
			
		 
		
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			3811 is sold. Thanks SYC 
		
		
		
		
		
		
		
		
	
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