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Vehicle Info NeededHOLLEYPART NUMBER: 510-12-704
12-704 Carbureted Fuel Pressure Regulator
$18195
Ships on 10/23/2026
Lowest Price GuaranteeCarbureted Fuel Pressure Regulators
- Carbureted Fuel Pressure Regulator
- For Use With Gasoline & Alcohol
- Inlet: (1) 1/2" NPT Inlet
- Outlet: (2) 1/2" NPT Outlet
- 4-1/2 to 9 psi
- Includes Mounting Bracket and
(1) 8AN Inlet & (2) 6AN Outlet Fittings - Natural Finish
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.
- Regulates From 4.5-9 PSI
- One 1/2 in. NPT Inlet
- Two 1/2 in. NPT Outlet Ports
- .437 in. Restriction
- Incl. Mounting Hardware
- And AN Style Fittings
- Alcohol Compatible
Regulate Fuel System Pressure with Ease
Holley Die-Cast Fuel Pressure Regulators will precisely control the pressure from the fuel pump to the fuel distribution system. Each regulator is fully adjustable (where noted), comes pre-set (eliminating guesswork when installing), and is available in multiple options for EFI and carbureted applications.
Part TypeFuel Pressure Regulator
Product LineHolley Die Cast Fuel Pressure Regulators
BrandHOLLEY
Package Height3.0
Package Width5.3
Package Length5.4
Weight1.25 PG
Part CategoryPerformance Parts
Regulator FinishNatural
Outlet Size1/2 NPT
Regulator MaterialAluminum
Outlet QuantityTwo
QuantitySold individually
Boost/Vacuum Reference PortNo
RebuildableYes
Inlet AttachmentFemale Threads
Inlet Size (In.)1/2 NPT
Mounting Bracket IncludedYes
Gauge PortNo
Outlet AttachmentFemale Threads
Regulator LocationInline
Fittings IncludedYes
Inlet QuantityOne
Pressure Range (Psi)4.5-9
Part FitmentUniversal
Regulator StyleNon-Return
Vendor Part Number12-704
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
