difference in jets?

[hartwill]

what is the difference between the regular jets and the jets that say AB and then their size? ie, AB170

[DnB_racing]

Originally posted by hartwill
what is the difference between the regular jets and the jets that say AB and then their size? ie, AB170 ab are a cheap knock of keihin, the size are supposed to be the same as the keihin, but im not sure of the the quality control, get keihin jets there only a few cents more!