Description
Fuel pressure consistency is critical to engine performance, and fluctuations can cost you power, efficiency, and reliability. The Holley HP Billet Fuel Pressure Regulator delivers precise pressure control across a 4.5–9 psi range, with integrated bypass protection to safeguard your fuel system under varying load conditions. Whether you’re running gasoline, E85, or diesel, this in-line regulator handles fuel management with the durability and accuracy that serious builders expect.
- Billet aluminum construction
- Black/clear anodized finish
- 4.5–9 psi adjustable range
- In-line configuration
- 8 AN female inlet
- 8 AN female outlet
- 6 AN female return
- 1/8 in NPT gauge port
- Integrated bypass valve
- Gasoline, E85, diesel compatible
- Bolt-on installation
- MPN: 12-845






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