Holley 12-840 HP Billet Fuel Pressure Regulator
- Regular price
- $158.95 USD
- Regular price
-
$158.95 USD - Sale price
- $158.95 USD
- Unit price
- per
Vendor : HOLLEY
Product Type : Air and Fuel
Sku : HLY12-840
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✔ Veteran-Owned Business | ✔ Verified Fitment (SEMA Data) | ✔ Ships 1–3 Business Days | ✔ 30-Day Returns
The Holley 12-840 HP Billet Fuel Pressure Regulator is designed for street and strip fuel system applications. It provides adjustable fuel pressure from 4.5 to 9 psi for precise system tuning across a range of performance setups.
This in-line regulator features 3/8-inch NPT inlet and outlet connections for compatible fuel system plumbing. Its billet aluminum construction is finished in a natural and black anodized appearance, combining functional design with a clean, performance-oriented look.
The Holley 12-840 is suitable for diesel, E85, and gasoline fuel applications. It is supplied as an individual fuel pressure regulator and offers a practical solution for managing fuel pressure in performance-oriented systems.
Features:
- Application: Designed for street and strip fuel system use
- Fuel Pressure Range: Adjustable from 4.5 to 9 psi
- Configuration: In-line fuel pressure regulator
- Inlet Connection: 3/8-inch NPT
- Outlet Connection: 3/8-inch NPT
- Construction: Billet aluminum
- Finish: Natural and black anodized
- Fuel Compatibility: Suitable for diesel, E85, and gasoline applications

