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The Fuelab FLB-515 TBI adjustable fuel pressure regulator provides a 10–25 psi range tailored for throttle-body injection setups, giving precise, user-adjustable control of fuel pressure. It includes two -6AN inlet fittings and one -6AN return, and is offered as a universal regulator to suit a variety of TBI pump and rail configurations where consistent low-range pressure is required.
Fuelab 515 TBI Adjustable FPR 10-25 PSI (2) -6AN In (1) -6AN Return - Purple
