Edelbrock Uni-Syn Carburetor Balancing Instrument - Uni-Syn A SR71750H An optional red plastic plug

An optional red plastic plug is available for the center hole

Cloyes revolutionized the race industry with the development and introduction of the very first True Roller Timing system

while maintaining constant wall thickness and concentricity

Many of the popular engine families utilize a positive stop type of rocker arm attachment

Commonly used in off-road racing

Edelbrock Uni-Syn Carburetor Balancing Instrument - Uni-Syn A SR71750H An optional red plastic plugUni Syn is a precision instrument which provides a visual method of balancing multiple carburetor setups with a high degree of accuracy. Instructions included. A' Uni Syn 4025, Edelbrock, Uni Syn, Carb, Carburetor, tool, Balancing InstrumentSince 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake Manifold, Edelbrock Aluminum Cylinder Heads and Edelbrock Water Pumps have become