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The Fuelab four‑port adjustable fuel pressure regulator is a universal CARB‑style blocking regulator available with a 4–12 psi range. It uses two -10AN inlets and four -6AN outlets to feed multiple carburetor circuits or fuel rails. The multi‑port layout supports tidy distribution and the adjustable blocking design lets you dial system pressure for consistent carbureted operation.
Fuelab 585 Carb Adjustable 4 Port FPR Blocking 4-12 PSI (2) -10AN In (4) -6AN Out
