AEM Voltmeter Display Gauge LBZ with unsurpassed reliability for your

with unsurpassed reliability for your diesel

FP-150 is recommended for highly modified Powerstroke Diesels

DF-200 is recommended for Ultra High Performance Duramax diesel engines

and removes excess fuel not needed by engines

long lasting performance

AEM Voltmeter Display Gauge LBZ with unsurpassed reliability for yourAEM 30 4400 The AEM Digital Voltmeter Gauge combines unsurpassed accuracy, speed and control with an easy to read digital LED interface that displays voltage in 1 volt increments, and a sweeping LED "needle" that lines the edge and moves as voltage changes from 8 to 18v. The voltmeter gauge's digital readout will automatically increase and decrease in intensity due to the built in ambient light sensing photocell.