Dellorto float needle and seat size 300 for PHF and PHM series carburetors. The 300 size is used on the 850 LeMans, LeMans II, 850 LeMans III, and LeMans 1000, as well as the big valve 1991 1000S, and the big valve California III. Guzzi used part number 14939150
Tip: these needles have spring loaded retainer heads which commonly fail, requireing replacement. Suitable for use in Dellorto PHF and PHM carbs used on other brand motorcycles, such as Ducati, BMW and Laverda.