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The Fuelab 515 adjustable fuel pressure regulator for TBI applications adjusts between 10-25 psi and offers two -6AN inlet ports plus a single -6AN return for fuel plumbing. Marketed as a universal aftermarket regulator, it gives installers a simple, serviceable way to dial mid-range pressure for throttle-body injection systems and to match fuel supply to the engine's needs.
Fuelab 515 TBI Adjustable FPR 10-25 PSI (2) -6AN In (1) -6AN Return - Black
