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The Fuelab 515 adjustable fuel pressure regulator for TBI applications uses a large-seat design and adjusts from 10-25 psi, offering two -6AN inlet fittings and a single -6AN return for plumbing compatibility. Intended as a universal aftermarket solution, it allows precise mid-range pressure control to match pump capacity and injector characteristics in throttle-body injection setups.
Fuelab 515 TBI Adjustable FPR Large Seat 10-25 PSI (2) -6AN In (1) -6AN Return - Purple
