maybe. depending on your application, the jets will likely be a number size smaller than what comes in the big set of jets. the 1bbls typically run in the 50's for jet size, i think the sets start at 64. but i've had good luck with good parts stores stocking the necessary smaller number sizes.
Could always just solder the orifice in the jet closed, and drill whatever size hole you want in it! My buddies have been doing that for years.....