877.352.5355 Contact Us Mon-Fri 8a-9p & Sat 10a-3p EST
DRIVEN BY CARE

Holley Adjustable Billet By-Pass Fuel Regulator 12-880

Holley Adjustable Billet By-Pass Fuel Regulator 12-880
Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880Holley Adjustable Billet By-Pass Fuel Regulator 12-880
$204.99 ea
NEWBackordered until 08/19/2021Out of stock at HOLLEY PERFORMANCE PRODUCTS as of 08/02/2021
Model: 3991320
Supplier has not provided any fitment data for this product.
STANDARD
DELIVERY
STORE PICKUP
[More Info]
Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. They are offered with two port sizes, 3/8" NPT or 6AN to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way.
Features:
  • Adjustable From 4-65 Psi For Precise Fuel Pressure Adjustments
  • Billet Aluminum w/Black Anodized Base/Clear Top For Good Looks
  • Used In Systems With A Return Line Back To The Tank
  • Includes Fitting For Manifold Reference
  • Includes An 1/8 Npt Gauge Port
  • Boost Reference 1:1
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
holleyfuelsystems_chart1.pdf360.32KB
199r10575rev3.pdf603.79KB

Videos:

Specifications:

Color Black
Emission Code 5
Fuel System EFI/Carb
Fuel System Type EFI/Carb
Fuel Type Gasoline / Diesel / E85
Inlet Size 6AN O-Ring
Material Aluminum
Outlet Size 6AN O-Ring
Part Type Fuel Injection Pressure Regulator
Pressure 4-65 PSI
Return Size 6AN O-Ring
Style Bypass

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Holley Adjustable Billet By-Pass Fuel Regulator 12-880:
* Your Name:
* Email (This will not be displayed)
Question:
Mustang Depot 2021