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The Fuelab FLB-515 adjustable fuel pressure regulator is a universal EFI model that manages higher-pressure electronic fuel injection systems. It is tunable across a 90–125 psi range and offers two -10AN inlets and a single -6AN return for common EFI plumbing. This compact regulator suits aftermarket EFI setups where stable, adjustable pressure control is required.
Fuelab 515 EFI Adjustable FPR 90-125 PSI (2) -10AN In (1) -6AN Return - Black
