The Fuelab FLB-515 TBI adjustable fuel pressure regulator offers a 10–25 psi range suitable for throttle-body injection systems, giving tuners fine control over fuel delivery. It includes two -6AN inlet connections and a single -6AN return, and is supplied as a universal, user-adjustable regulator to work with a variety of TBI pumps and aftermarket fuel rails.
Fuelab 515 TBI Adjustable FPR 10-25 PSI (2) -6AN In (1) -6AN Return - Gold