O.S. Needle #20ETower Stock# OSMG7014 • Manufacturer Stock# 23618197
O.S. Max .21RG, .21RG-(P) and .21RG-(P)-X Engines.
This is used to control how much fuel enters the engine.
Screwing needle into valve assembly.
Length: 22.2mm (.874")
This needle valve comes with a rubber o-ring pre-installed.