This is the stock replacement Metering Needle assembly for the O.S. #10A carb. This needle fits inside the carb barrel, and moves in and out with throttle openings, changing the fuel metering. Includes: 1 metering Needle, and 1 spring. Specs: The needle is 13mm long, and the spring is 8mm long when not compressed. Comments: The needle is slightly tapered. 10/31/96. SJM.
This product was added to our catalog on April 19, 2017