Roger Lee Posted June 4, 2011 Report Share Posted June 4, 2011 Do you have a Dynon D120? Does this sit on top of your engine covered with a piece of fire sleeve? What is it? It's an antenna and transmitter so Uncle Sam can keep an eye on you. Okay maybe not. What it really is is a fuel pressure pulsation dampener. It is about 10" out from the pressure out side of the fuel pump and it helps keep the pulsation coming out of the pump from reading on your fuel pressure gauge. Link to comment Share on other sites More sharing options...
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