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- 555 Series Carbureted Blocking Regulator
Fuelab - 555 Series Carbureted Blocking Regulator
FUELAB® 555 Series Fuel Pressure Regulators are true precision instruments designed to regulate fuel. These units feature an advanced poppet design for smooth regulating capability. We’ve also incorporated a no-creep soft seat that’s methanol and E85 compatible. Adjustable from 4-12 PSI.

