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The Radium Engineering DFPR is a dual fuel pressure regulator built for custom systems that combine direct injection and port injection. It allows independent pressures for each rail using a single feed, and its architecture suppresses pressure spikes from positive-displacement high-pressure fuel pumps. FPR1 is allocated to direct injection while FPR2 servos the port-injection circuit.
Radium Engineering Dual Fuel Pressure Regulator (DFPR)
