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Built for precise fuel pressure control, the Holley Dominator Billet EFI Fuel Pressure Regulator allows adjusting from 4.5 to 9 psi. Boasting strong, machined billet aluminum construction, this regulator is also bright-dip anodized from head to body, so you know it’s made to last.
Providing compatibility in systems with a return line back to the fuel tank, the EFI fuel regulator offers idle pressure control through idle bleed (depends on specific regulator) and includes a 1/8” NPT gauge port, as well as a mounting bracket. Although only compatible with electric pumps (varies per regulator), this regulator includes either O-ring inlets and outlets or 3/8” NPT inlets and outlets, in addition to return or bypass ports.
Your Holley Dominator Billet EFI Fuel Pressure Regulator is backed by a limited warranty.