EFI fuel pressure regulator’s job is to maintain a constant fuel pressure above the intake manifold pressure.
The installation of performance fuel injectors or a high-flow fuel pump requires the use of an aftermarket fuel pressure regulator to allow pressure adjustments while maintaining a stable base pressure. They can also be used to maximise a standard fuel system’s ability to cope with minor power modifications.
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TURBOSMART FUEL REGULATOR FPR-1200 SERIES
