hesitation normal?
 

I have a 99 accord coupe manual drive, has about 53k miles on it. ive had
this problem for a while, when i start my car up, and drive it up to about
60 mph, and either cruisin or holdin accelerator steady at that speed. for a
second the motor will like hesitate but ony for a breif second, then it will
not do it again until the next time i drive it. fuel pump is new, theres no
fuel filter, spark plugs are good, rotor n cap is good. I tried gas
treatment, but i had this problem for awhile. But figure it was normal any
sugesstions?