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Piston Ring Installation help

783 Views 0 Replies 1 Participant Last post by  Tiersin
I'm installing new rings on my pistons and I noticed that on the 2nd ring, there is a little groove on the outside edge. Should this face up or down? What else should I know about installing these things. I've got the ring end gap right on all of them. BTW there NPR rings if that helps at all.
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