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The Fuelab 515 adjustable fuel pressure regulator in blue is a universal EFI regulator with a 25–90 psi adjustment range, two -10AN inlet ports and a single -6AN return. It provides flexible fuel pressure control for aftermarket EFI systems and supports dual-feed arrangements through the -10AN inlets. The regulator’s wide range helps match pressure to injectors and system needs.
Fuelab 515 EFI Adjustable FPR 25-90 PSI (2) -10AN In (1) -6AN Return - Blue
