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			 I'm working on it.... 
			
			
		
			
				
			
			
			Join Date: Mar 2003 
				Location: Denver 
				
				
					Posts: 229
				 
                
				
				
				
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				Valve stem seals 928 part vs 951 part
			 
			
			I just ordered new valve stem seals, I ordered both the 928 part# in Viton, and the 951 part#, which I don't know what it is. 
		
	
		
	
			
				So what is the difference??? and which to use?? I have read that the ones for the 944NA (928#) work just fine, but no where can I get a clear answer on the difference. This head only has about 5k on the rebuild (by powerhaus) why did they go so soon?? (haven't pulled it apart yet)  | 
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