855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

Holley HP Billet Carbureted Fuel Pressure Regulator 12-840

Holley HP Billet Carbureted Fuel Pressure Regulator 12-840
Holley HP Billet Carbureted Fuel Pressure Regulator 12-840Holley HP Billet Carbureted Fuel Pressure Regulator 12-840Holley HP Billet Carbureted Fuel Pressure Regulator 12-840Holley HP Billet Carbureted Fuel Pressure Regulator 12-840Holley HP Billet Carbureted Fuel Pressure Regulator 12-840Holley HP Billet Carbureted Fuel Pressure Regulator 12-840
$195.99 ea
NEWOUT OF STOCK
Model: 3991305
STANDARD
DELIVERY
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. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-840 fuel pressure regulator features 3/8" NPT in/out ports.
Features:
  • Adjustable from 4.5-9 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
  • Used in systems where a return line is not needed
  • Use with electric or mechanical pumps
  • One 3/8" NPT inlet and two 3/8" NPT outlets
  • 1/8" NPT gauge port
  • Comparable and interchangeable with popular Holley® 12-803 regulator
  • Mounting bracket included
Regulator is compatible with Diesel #1 and Diesel #2.
Installation Notes:
Regulator is compatible with Diesel #1 and Diesel #2.

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
199r10574rev.pdf547.74KB

Videos:

Specifications:

Color Black Anodized
Emission Code 5, 3
Fuel System Carbureted
Fuel Type Gasoline, Diesel
Inlet Size 3/8 inch NPT
Material Aluminum
Outlet Size 3/8 inch NPT
Part Type Fuel Pressure Regulator
Pressure Range 4.5-9 PSI
Product Type Fuel Pressure Regulator
Proposition 65 www.P65Warnings.ca.gov
Style Non-Return
Warranty Limited 90 Day

Reviews:

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

Ask a question about

Holley HP Billet Carbureted Fuel Pressure Regulator 12-840:
Classic Nova 2024