AEM Sensor Cable for Pressure Gauges ( 30-4401 / 30-4406 - 30-3405

About Product About the Brand AEM Sensor Cable for Pressure Gauges ( 30-4401 / 30-4406 / 30-4408 / 30-4407 )AEM Sensor Cable for Pressure Gauges ( 30-4401 / 30-4406 / 30-4408 / 30-4407 ). Sensor harness for 30-4401, 30-4406, 30-4408, 30-4407 Pressure Gauges. Gauge Wiring Harness. Boost/press harness Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth. wiring connectors can be used to connect various types of electrical components together without having to use a soldering iron. About AEM AEM was founded in 1987 by John Concialdi (J.C.) and Bob Sullivan as a tuning performance shop. The shop focused on vintage automobiles and the latest trends in street racing modified imports. With it's location in Compton California, AEM was embedded in the tuner market from the very beginning. It was a matter of being in the right place, at the right time, with the right technical knowhow. Between J.C.