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The Fuelab 515 adjustable fuel pressure regulator for carburetor systems provides a 1-3 psi adjustment range with a large-seat design, and includes two -6AN inlet ports plus a single -6AN return. Marketed as a universal regulator, it helps installers maintain consistent low-pressure fuel delivery for carbureted engines while simplifying hose routing and setup.
Fuelab 515 Carb Adjustable FPR Large Seat 1-3 PSI (2) -6AN In (1) -6AN Return - Purple
