1997 Dodge 2500 4x4 12 valve Cummins, installing a Isspro ev2 ISS-R17055 pressure gauge, tork tek pressure snubber CBS010 installed in P7100 pump, then a Lasco 17-1901 needle valve, then from geno's a Vulcan fuel pressure line kit VULCAN-FH, then the isspro R7800 restrictor valve and then the isspro sender. I installed the needle valve just in case I needed to shut the fuel, but you will pretty much have it fully opened. The tork tek snubber and isspro R7800 restrictor valve KEEPS THE GAUGE HAPPY.
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