Description
Part Number: 12-704
Holley Big Port Carbureted Fuel Pressure Regulator
High-flow adjustable dead-head regulator engineered for high-performance carbureted race engines and demanding fuel systems.
Key Features & Benefits
- ☑ Adjustable Pressure Output: Delivers precise, adjustable fuel pressure control from 4.5 to 9 PSI to prevent needle-and-seat flooding.
- ☑ High-Flow Design: Features large 1/2″ NPT inlet and dual 1/2″ NPT outlet ports with a generous 0.437″ internal restriction.
- ☑ Included AN Adapters: Supplied with one 1/2″ NPT to -8 AN inlet fitting and two 1/2″ NPT to -6 AN outlet fittings for easy plumbing.
- ☑ Multi-Fuel Compatibility: Fully compatible with pump gasoline, race fuels, alcohol, and E85 mixtures.
- ☑ Durable & Pre-Set: Constructed from lightweight die-cast aluminum and factory pre-set for simple out-of-the-box setup.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 12-704 |
| Application | Carbureted Fuel Systems |
| Pressure Range | 4.5 to 9 PSI (Adjustable) |
| Inlet Port | 1x 1/2″ NPT (Includes -8 AN Adapter) |
| Outlet Ports | 2x 1/2″ NPT (Includes 2x -6 AN Adapters) |
| Internal Restriction | 0.437″ (7/16″) |
| Housing Material | Die-Cast Aluminum |
| Fuel Type Compatibility | Gasoline, Race Fuel, Alcohol / E85 |
What’s Included in the Box
- 1x Holley 12-704 Carbureted Fuel Pressure Regulator
- 1x 1/2″ NPT to -8 AN Inlet Adapter Fitting
- 2x 1/2″ NPT to -6 AN Outlet Adapter Fittings
- 1x Mounting Bracket & Hardware Pack
Built to withstand the rigorous demands of competitive motorsport, Holley fuel regulators ensure consistent delivery and precise pressure management for high-horsepower engines. Order your Holley 12-704 regulator from JP Racing today to benefit from expert technical assistance and rapid dispatch across the UK.
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