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12-879 REGULATOR KIT, GAUGE AND FITTINGS
Adjustable billet by-pass return style fuel pressure regulator 3/8 NPT Kit with Fuel Pressure Gauge and Adapter Fittings Boost Reference - 1:1
Overview
Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. A second pressure spring is included allowing you to increase the fuel pressure range up to 65 psi for EFI systems. They have 3/8 NPT port sizes to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way. These kits include a fuel pressure gauge and adapter fittings to get you started on your installation.
Features:
- Adjustable from 4-65 psi for precise fuel pressure adjustments
- Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks
- Used in systems with a return line back to the tank
- (1) 3/8" NPT Inlet; (1) 3/8" NPT Outlet; and (1) 3/8" NPT return
- Includes fitting for manifold reference
- Includes an 1/8 NPT gauge port
- Boost Reference - 1:1
- The 4-15 psi carbureted spring comes installed in the regulator
About Holley
Specs
| Adjustable | Yes |
|---|---|
| Brand | Holley |
| Category | Air and Fuel Delivery |
| Color | Black |
| Emission Code | 5 |
| Fuel System | EFI/Carb |
| Fuel Type | Gasoline |
| Gauge Included | Yes |
| Gauge Port Included | Yes |
| Grade Type | Performance |
| Inlet Gender | Female |
| Inlet Port Diameter | 3/8 IN |
| Inlet Port Quantity | 1 |
| Inlet Size | 3/8" NPT |
| Inlet Type | NPT |
| Material | Aluminum |
| Maximum Pressure | 65 PS |
| Minimum Pressure | 4 PS |
| Mounting Bracket Included | Yes |
| Mounting Type | Inline |
| Outlet Gender | Female |
| Outlet Port Diameter | 3/8 IN |
| Outlet Port Quantity | 2 |
| Outlet Size | 3/8" NPT |
| Outlet Type | NPT |
| Part Type | Fuel Pressure Regulator |
| Port Quantity | 2 |
| Product Type | Fuel Pressure Regulator |
| Rebuildable | Yes |
| Return Size | 3/8 inch NPT |
| Style | Bypass |
| Sub Category | Carburetion |
| Vacuum Port Quantity | 1 |
| Warranty | Limited 90 Day |
| UPC | 090127122921 |
| Part Number | 12-879KIT |
Emissions
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Tech Resources
Warranty Information
Limited 90 Day: See Details
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