
Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator, Black (12880)
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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 are offered with two port sizes, 3/8" NPT or 6AN 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. Product details include a black anodized base with clear anodize top, 1/8 NPT gauge port, manifold reference fitting, universal fit and flange mount. Item dimensions (marketplace): 5.3 x 5.3 x 2.8 inches. Item weight (marketplace): 0.5 kilograms (1.102 pounds). ProductDatabase item dimensions: Height 3.1000, Width 5.3000, Length 10.1000, Weight 1.2000.
- Fit type: Universal Fit
- Includes an 1/8 NPT gauge port
- Includes fitting for manifold reference
- Used in systems where a return line is not needed
- Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
- Adjustable from 4.5-9 psi for precise fuel pressure adjustments
Specifications:
| Materials & Construction | |
| Body Material | Aluminum |
| Material | Plastic |
| Material Type | Plastic |
| Product Details | |
| Connector Type | 6AN, 6AN or 3/8 NPT |
| Fit Type | Universal Fit |
| Included Components | Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator, Black (12880) |
| Included Components (Item Type Name) | Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator, Black (12880) |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | 6 AN O-Ring |
| Mounting Type | Flange Mount |
| Operation Mode | ON-OFF |
| Outlet Connection Size | 0.38 Inches |
| Outlet Connection Type | 6 AN O-Ring |
| Product Grade | New |
| Product Style | Traditional |
| Specification Met | Carb/EFI, Durability Standards |
| Unit Count | 1.0 Count |
| Sizing & Dimensions | |
| Height | 2.8 inches |
| Item Dimensions | 5.3 x 5.3 x 2.8 inches |
| Length | 5.3 inches |
| Product Dimensions | 5.3 x 5.3 x 2.8 inches |
| Weight | 1.102 pounds |
| Width | 5.3 inches |
| Technical Specifications | |
| Connector Type | 6AN, 6AN or 3/8 NPT |
| Inlet Connection Size | 0.38 Inches |
| Mounting Type | Flange Mount |
| Outlet Connection Size | 0.38 Inches |
| Specification Met | Carb/EFI, Durability Standards |


