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Holley Adjustable Billet By-Pass Regulator
Holley Adjustable Billet By-Pass Regulator
sku: 1D4RZ | mpn: 12-879
Regular price
$245.94
Regular price
Sale price
$245.94
Shipping calculated at checkout.
33 in stock
Emissions
This is not an emissions item.
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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.
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 Port
- 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
Specs
| Color | Black |
|---|---|
| Fuel System | EFI/Carb |
| Fuel Type | Gasoline / Diesel / E85 |
| Inlet Size | 3/8 inch NPT |
| Material | Aluminum |
| Outlet Size | 3/8 inch NPT |
| Product Type | Regulator |
| Return Size | 3/8 inch NPT |
| Style | Bypass |
