Known as a swinging needle because they sit on a spring which locates into the hat/cup end of the needle and have sideways movement. They start with part number prefix CUD for HS type carbs--NZX for HIF carbs--the earlier H and HS type were fixed sol...

Swinging type needle, usefull for 256 degree duration camshaft with standard filter, see BDK NZX8010 for K&N filter.

standard 850 single fixed carb needle sold per item

998 COOPER STD NEEDLE

rich needle single HS2 carb sold per item--standard needle on twin HS2-sold quantity is one-2 required for twin HS2