O.S. Needle Valve Holder Assembly 91SZ-H HyperTower Stock# OSMG7142 • Manufacturer Stock# 29181940
O.S. Max 60M Carburetor (OSMG2517) used on the .91SZ-HPR Engine.
Threads into carburetor body and holds mid-range needle in place
Needle Holder Assembly with two metal washers
Installing in carburetor body and attaching mid-range needle
Also available with needle, OSMG7051