Magnum on nitrous!?

MiradaMegaCab said

Some Zero gap rings “overlap”

Some have a “rail” ring used in conjunction with a ring. So ultimately one would set the gap in the ring and the rail is providing the Zero gap function.

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Yeah, I always wanted to try the childs and albert rings , but they are way more expensive than the total seal rings. I have had the gapless total seal rings in 3 engines now , no complaints . Always wanted to try the top gapless total seal too.