Maybe he has some HRC ones I havent tried yet. There are a couple different HRC setups for the NSR. Do you have a pic so I can compare? Now I'm itchin' to find out what he has going on there...

:edit: Hey, I just thought of something. Maybe he is referring to the entire HRC reed block assembly. Is it just the reeds, or the whole reed block? The one thing I never tried was the HRC reed block assembly for the NSR (I believe this was an F3 part). They are pretty spendy, and I never had the cash. They use a longer reed than the stock NSR reed blocks, and are definately a better setup.
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Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
MY BIKE PICS