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Holley HP Billet Fuel Press. Regulator 12-840
Original price was: $127.16.$73.01Current price is: $73.01.
29 in stock
Description
Precise fuel pressure control is non-negotiable for tuning any high-performance fuel system, whether you’re building a street cruiser or a strip-focused drag car. The Holley HP Billet Fuel Pressure Regulator delivers repeatable, adjustable pressure management across your entire powerband—critical for carburetor tuning, EFI optimization, and maximizing fuel atomization. Its billet aluminum construction and sealed design ensure reliability across gasoline, E85, and diesel applications without drift or inconsistent performance.
- Billet aluminum construction
- 4.5–9 psi range
- In-line mount configuration
- 3/8″ NPT inlet
- 3/8″ NPT outlet
- Street/strip rated
- Natural or black anodized
- Compatible: gas, E85, diesel
- Bolt-on installation
- Sold individually











