MENU
Holley Adjustable Billet By-Pass RegulatorYouTube Button
How To Choose A Regulator for Carbureted VehiclesYouTube Button

HP Billet Carbureted By Pass w/ Idle Bleed Fuel Pressure Regulator

Street/Strip Carbureted Applications Two Port Adjustable from 4.5 to 9 PSI with Idle bleed

PART# 12-842

Be the first to write a review
$134.95   Suggested Retail
$120.95   Your Price
Free Shipping
In Stock  
Qty: 
Add to Wish List

Overview

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 12-842 fuel pressure regulator features 3/8" NPT in/out ports and a 3/8 NPT return port.

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
  • Utilizes a idle bleed for precise control of idle pressure
  • Used in systems with a return line back to tank
  • One 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass)
  • 1/8" NPT gauge port
  • Comparable and interchangeable with popular Holley® 12-803BP regulator
  • Mounting bracket included

Specs

BrandHolley
ColorBlack Anodized
Emission Code5
Fuel SystemCarbureted
Fuel TypeGasoline / Diesel / E85
Inlet Size3/8 inch NPT
MaterialAluminum
Outlet Size3/8 inch NPT
Pressure Range4.5-9 PSI
Product TypeRegulator
Return Size3/8 inch NPT
StyleBypass
WarrantyLimited 90 Day
Part Number12-842

Emissions

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.

Tech Resources

Warranty Information

Limited 90 Day: See Details
We Suggest
    Also Bought
      Reviews

        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.

         X  Ford 347 Giveaway
         X  Ford 347 Giveaway