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			This how a piston should look, double o-ring; as well as double o-ring inside the cyl cap so oil doesn't seep past the rod. You can see another thin o-ring on the outside of cap that seals it when seated in the barrel. 
		
		
		
		
		
		
			 
		
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			 Quote: 
	Yeah that’s what I’m interested in. The piston rod seals themselves: would mine above work, especially since I’m using 2?? They each fit pretty snugly, so I hope together they give me a good seal  | 
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