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I'm looking for a set of N27 needles to replace my smogger N58's that I have in my 1972 roundtops. I have a set of SM needles from ZT, but I'm concerned that I'll be running too rich with my stock setup. Does anyone have a set they're looking to part with?



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I bought a set of N-27's about ten minutes ago from MSA. I think ZTherapy sells them too.

According to MSA online catalog they go with the '71 nozzles, can't verify if that's correct though.

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