The Fuelab four‑port adjustable fuel pressure regulator is a universal CARB‑style blocking regulator with a 2–4 psi range for fine carbureted tuning. It features two -10AN inlets and four -6AN outlets to serve multiple circuits, making distribution cleaner in multi‑carb setups. The compact multi‑port body supports straightforward plumbing and precise pressure adjustment.
Fuelab 585 Carb Adjustable 4 Port FPR Blocking 2-4 PSI (2) -10AN In (4) -6AN Out