Posted February 25, 200223 yr comment_3376 I have a set of 4 screw and 3 screw, in reference to the Dome, SU Carbs. I prefer the 4 screw due to the ease of float access. The three screw has a nipple that makes it very difficult to remove the float safely without taking the carburetor apart. Other than that, they seem to be duplicates. I'm not sure if I should keep the 3 screw set. I can't see a time when I would them. Anyone interested? Link to comment https://www.classiczcars.com/forums/topic/986-su-carb-needles/ Share on other sites More sharing options...
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