53023.78 - This is a new mixture screw for old & new style Dellorto PHF, PHM, PHBH and PHBL carbies. This is the LONG TIP type which measures 5mm, please measure what you pull out of your carb as per the 2nd image here. Please see the 2nd image showing he differences.
We do stock both the longer as well as these shorter tip types now, make sure you order whichever type you need. Anyways, you get the air screw, air screw spring, washer and oring, exactly what you see here in the photo.
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