Why that matters to you is because that means it is a new breed of chemical resistant materials

See the related items below for the same tool with threads for 1969 and later

930 and 932 carbs

Chrome plated knurled allen screws fit Harley-Davidson Shovelhead and Evolution 1970-92

This is a direct replacement for H-D OEM # 34611-65

#3047-3 Oil Line Vent Line Fittings Pre-1965 Harley-Davidson Twins - Parkerized Subcategory_Fork Hardware Why that matters to youExact, parkerized reproduction of original Harley Davidson part used on most pre 1965 Harley Davidson Twins. OEM# 63533 15. One end is a 9 16 24 thread and the other 1 8" NPT thread. Made in Ohio, USA.