Pay in installments of $61.88 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Billet Fuel Adjustable Regulator Carbureted 4.5-9PSI # HO12-845Holley Billet Fuel Adjustable Regulator Carbureted 4. 5 9PSI # HO12 845 Fuel Pressure Regulators, HP Billet, 4. 5 to 9 psi, Inline, Return Style, 8 AN Inlet and Outlet, 6 AN Return, Black Finish, Bracket, Each Regulator Pressure (psi): 4. 5 9 Regulator Style: Return Regulator Location: Inline Boost Vacuum Reference Port: No Gauge Port: Yes Inlet Quantity: 1 Regulator Inlet Size: 8 AN Inlet Attachment: Female straight cut O ring Outlet Quantity: 1
Holley Billet Fuel Adjustable Regulator Carbureted 4.5-9PSI # HO12-845Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, Return Style, -8 AN Inlet and Outlet, -6 AN Return, Black Finish, Bracket, Each
Regulator Pressure (psi):
4.5-9
Regulator Style:
Return
Regulator Location:
Inline
Boost/Vacuum Reference Port:
No
Gauge Port:
Yes
Inlet Quantity:
1
Regulator Inlet Size:
-8 AN
Inlet Attachment:
Female straight cut O-ring
Outlet Quantity:
1
Regulator Outlet Size:
-8 AN
Outlet Attachment:
Female straight cut O-ring
Return Fitting Size:
-6 AN
Return Attachment:
Female straight cut O-ring
Fittings Included:
No
Regulator Material:
Aluminum
Regulator Color:
Black
Rebuildable:
No
Mounting Bracket Included:
Yes
Remanufactured:
No
Quantity:
Sold individually.
Notes:
This regulator is designed for use with Holley HP in-line or other high pressure fuel pumps where a return line is required.
Holley HP Billet Fuel Pressure Regulators
Part of Holley's complete line of fuel system products, Holley HP billet fuel pressure regulators are available in a variety of configurations for carbureted or fuel injected engines. Some versions are even adaptable to either carburetors or EFI. They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator.All HP billet fuel pressure regulators feature a 2-port design, provide for precise fuel pressure adjustments, and are available in your choice of demand (no return line) or by-pass (with a return line) styles. Depending on the model, they are for use only with electric fuel pumps, or with either mechanical or electric pumps. Designed for street/strip applications, they are CNC-machined from 6061 T-6 billet aluminum for strength and have bright dip anodized black bodies with clear dip anodized tops for corrosion resistance and good looks. Whatever your fuel system needs, Holley has you covered.Depending on model, features may include: Adjustable from 4 to 65 psi for use with EFI or carburetors 4.5 to 9 psi adjustment range for use with carburetors only EFI-only models are adjustable from 15 to 65 psi Two port sizes available, 3/8 in. NPT or -6 AN inlet/outlet and return (where applicable) Fitting for manifold reference 1/8 in. NPT gauge port Boost reference--1:1
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 20 reviews
Sort
Product Reviews
★★★★★ 5
Beautiful
Such a beauty. But you'll either love it or hate it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Good every day watch
Solid watch, keeps time well and the band feels solid
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
★★★★★ 4
Stands out without shouting
Looks and feels high quality. Keeps time and date perfectly. A little small to get over bigger hands. Love the dail color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Reloj
A mi hermano le gusto mucho este reloj muy bonito fino
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2025
★★★★★ 5
Fuera de lo común, genial.
Muy bonito reloj, justifica totalmente su costo. Excelente para salir fuera de lo común. Ideal para usar de día y en verano.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2025
recommand products
EBC Brakes S4KF1398 Slotted rotors feature a narrow slot to eliminate wind noise.
140.00
Modern Ceramic Pitcher Vase with Handle – Blush Pink HOME Décor
699.50
Artificial Flower Arrangement in Glossy Purple Ceramic Pot
499.50
Hawk Performance HKC4379.332B Talon Street Rotor And Brake Pad Kit
229.44
EBC Brakes S4KF1409 Slotted rotors feature a narrow slot to eliminate wind noise.
133.00