Holley Fuel Pressure Regulators

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Standard Pressure Regulator
Recommended for low-pressure applications that require steady flow. Factory adjusted to 2.7 psi with a 1-4 psi range. Accepts 3/8" NPT fittings.

Max Pressure Regulator
Adjusts from 4.5 to 9 psi. Also good as a high-pressure bypass. 2 regulators are recommended for dual 4-barrel applications. Accepts 3/8" NPT fittings.

Big-Port Regulator
Die-cast aluminum regulator adjusts from 4.5 to 9 psi. Least restrictive, highest flowing production regulator with one 1/2" NPT inlet port and two 1/2" NPT outlet ports. Mounting hardware included.