O.S. Carburetor Reducer 5.5MM 12XZ SpeedTower Stock# OSMG2489 • Manufacturer Stock# 71533255
for the O.S. Engines 12TZ Speed Spec 2 Engine.
O.S. Speed racing performance parts, red aluminum construction
One 5.5mm carb reducer and two rubber O-rings
Installing included O-rings on reducer then sliding into carb
Height: 14.5mm (0.57")