bigboybanshee Posted June 1, 2007 Report Posted June 1, 2007 I was going through my bag of jets tonight (Keihin) and noticed some had just the number 168, and others had like 168RD, and another had AB 168. Now, I could tell that one jet had a few more threads on it than the other, but that was the only difference that I could tell. My main question is...what do those letters mean, RD, AB, etc. ? Do they have any affect on the diameter of the hole in the jet? Or are they all the same diameter, just maybe for different applications given the longer threads on one over the other....LOL, I don't know...if I'm not making any sense just tell me :biggrin: I'll take a pic here in a minute to show you.... Quote
bigboybanshee Posted June 1, 2007 Author Report Posted June 1, 2007 Here's a pic, I left the pic big so you could see the difference. I'm pretty sure they're the same size diameter hole (if the number is the same), but do the letters signify anything in particular? Quote
moneybags Posted June 1, 2007 Report Posted June 1, 2007 (edited) Did you get them all from the same place? All mine look like the bottom one I think. Edited June 1, 2007 by moneybags Quote
bigboybanshee Posted June 1, 2007 Author Report Posted June 1, 2007 I got them from several different places over the years. I use the ones like the bottom one too, I just was going through my bag of jets and saw the other ones and figured I'd ask what the letters mean. :beer: Quote
cam2 Posted June 1, 2007 Report Posted June 1, 2007 it's possible that the ones with the AB and RD prefixes are off brand replacements. i couldn't find a clear picture or much info on "RD PRECISION MAIN JETS". but, i'll assume the RD prefix is most likely the "RD PRECISION MAIN JETS". it seems that they have something to do with the EBC brake company. here's a link: http://www.dragspecialties.com/fatbook/13/314/3882857 Quote
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