piston rings w/ N2O
However, Hell Fire rings are made from a special ductile iron alloy and are well known and have a good rep.
JE is also very proud of their HNS hardened rings, but I have no exp. with them.
DO NOT forget that piston ring end gap is just as important as materials. Set it up properly or you could have rings butt ends and it's game over. You can have the most expensive set of rings, but if they are gapped too narrow...
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part #'s depend on bore and piston selection
i belive these are the ones he installed in mine
http://store.summitracing.com/partde...5&autoview=sku
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However, Hell Fire rings are made from a special ductile iron alloy and are well known and have a good rep.
JE is also very proud of their HNS hardened rings, but I have no exp. with them.
DO NOT forget that piston ring end gap is just as important as materials. Set it up properly or you could have rings butt ends and it's game over. You can have the most expensive set of rings, but if they are gapped too narrow...
I am running HNS Hardened rings, but engine only has 200 miles on it.
I was also going to mention the gap
part #'s depend on bore and piston selection
i belive these are the ones he installed in mine
http://store.summitracing.com/partde...5&autoview=sku
I run NOS on my other car either one is a good choice. 



