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RELEASED 9.11.23The Multi-Port Regulator-Rotating Assembly (MPR-RA) is a great solution for both simple and complex high-flow fuel systems. Its unique port configuration makes it ideal for combining dual fuel pumps into a single feed line. Conversely, it can be used to split a single feed line to a dual bank fuel system with 2 fuel rails. In additon, it can also be used for single pump or single fuel rail applications by simply plugging the unused ports.
The graph below shows the minimum fuel pressure the regulator can achieve as a function of pump flow rate. For example, if you have two pumps that flow 320LPH (total 640LPH), the approximate minimum pressure the regulator can achieve is about 30psi. If an OEM fuel pressure regulator sees 640LPH for instance, it will likely not be able to bypass enough fuel.NOTE: This test was performed with the adjustment knob completely backed out, no preload.