HOL-12-704 Carbureted Fuel Pressure Regulator
Street/Strip Carbureted Applications
Two Port
Adjustable from 4.5 to 9 PSI
Features
- One 1/2″ NPT inlet and two 1/2″ NPT outlet ports
- .437″ (7/16″) restriction
- Includes mounting hardware and an style fittings
- Alcohol compatible
- Adjustable fuel regulation from 4-1/2 to 9 psi
Product Video – YouTube
*** 1 1/2 NPT to AN -8 and 2 1/2 NPT to AN -6 For AN style fittings included
Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley 12-704 fuel pressure regulator features 1/2″ NPT in/out ports.
Attributes:
| Port Quantity | 2 |
| Pressure Range | 4.5-9 PSI |
| Product Type | Fuel Pressure Regulator |
| Rebuildable | Yes |
| Style | Non-Return |
| Sub Category | Carburetion |
| Warranty | Manufacturer’s Limited 90 Day Warranty |
| Brand | Holley |
| Adjustable | Yes |
| Outlet Size | 1/2 inch NPT |
| Outlet Port Quantity | 2 |
| Outlet Port Diameter | 1/2 NPT |
| Outlet Gender | Female |
| Mounting Type | Inline |
| Mounting Bracket Included | Yes |
| Minimum Pressure | 4.5 |
| Maximum Pressure | 9 |
| Material | Aluminum |
| Inlet Type | NPT |
| Inlet Size | 1/2 inch NPT |
| Inlet Port Quantity | 1 |
| Inlet Port Diameter | 1/2 NPT |
| Inlet Gender | Female |
| Grade Type | Performance |
| Gauge Port Included | Yes |
| Gauge Included | No |
| Fuel Type | Gasoline |
| Fuel Type | Diesel |
| Fuel System | Gasoline |
| Emission Code | 5 |
| Color | Shiny |
| Category | Air and Fuel Delivery |
| Outlet Type | NPT |
| part type | Fuel Pressure Regulator |






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