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Uni-Syn Carburetor Synchronizer

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The Uni-Syn is makes it quick and easy to synchronize multiple carburetors or fuel injection stacks. It doesn't require any complicated setup. Simply hold the base against the air horn or carb inlet with the engine running. A red pellet in the sight glass rises in response to engine vacuum: The higher the pellet, the more air is being pulled through that throat. Adjust your throttle linkage until all throats show the same airflow.

The Uni-Syn is fully portable and can fit in just about any toolbox, so it's great for quick checks at the track or on the road. The sight glass can be turned vertically or horizontally to work with side-draft or down-draft carburetors. The 3 inch diameter base has an adjustable opening to compensate for low-vacuum engines. Instructions are included.

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Condition: New

In Stock