OS Motors Carburetor Reducer 6mm Red B2101 Speed

This is the 6mm Carb Reducer
used on the O.S. Engines 21J2B Carburetor, OSMG2497.

FEATURES:
O.S. Speed racing efficiency parts, red aluminum building
Sets up into carburetor venturi to minimize the quantity of air flow
    which assists in increasing the quantity of torque produced

CONSISTS OF:
One 6mm carb reducer and two rubber O-rings

REQUIRES:
Setting up included O-rings on reducer then sliding into carb