The Fuelab FLB-515 TBI adjustable fuel pressure regulator provides a universal large-seat solution for throttle-body injection systems. Adjustable across 10–25 psi, it includes two -10AN inlets and a single -6AN return for common TBI plumbing, offering straightforward installation and tuning. This blue-finished regulator is a compact, serviceable option for controlling TBI fuel pressure.
Fuelab 515 TBI Adjustable FPR 10-25 PSI (2) -10AN In (1) -6AN Return - Blue