Yep, it's got different slides, different needles, different needle heights, the whole 9 yards. I haven't bought any jets yet because I don't have the slightest clue even what range I'd be in. I'm not sure of the jetting that will come from the Banshee.
They're all on 2-stroke dirtbikes. I haven't found any specs from people putting these on 4-strokes. Hopefully I didn't screw up buying them. I read a lot of people switching from the Mikunis to the Keihins on thumpertalk because they're easier to jet. Nobody said it performs any better, just simpler to tune. That's what caused me to take the risk and get these carbs. This is the website that sold me on the air strikers:
I've got a good guide on the carbs but I still expect this to be a long process. Really wish these had that quick release float bowl. I'm going to have to pull those bowls a thousand times.