fuel pressure sensor
#7
#8
#10
i know summit and i think jegs sells in line adapters with the tap already there ... something along these lines ... idk if it will work for our trucks tho .. some one will chime in and say yes or no ...
Summit Racing SUM-G1711 - Summit Racing® Fuel Pressure Gauge Fittings - Overview - SummitRacing.com
Summit Racing SUM-G1711 - Summit Racing® Fuel Pressure Gauge Fittings - Overview - SummitRacing.com