EFS-4 Throttle Body Injector

The EFS-4 is suitable for use on engines in the 140 to 160 hp range. The applications of the EFS-4 include the Lycoming O-290, Lycoming O-300, Lycoming O-320, and Lycoming IO-320.

Click on the different parts of the 3-view diagram to enlarge that portion of the diagram.

EFS-4 3-view diagram, click to enlarge portions of this diagram.

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