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Holley

HP Billet Carbureted Fuel Pressure Regulator

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

Part # 12-840 Be the first to write a review

HP Billet Carbureted Fuel Pressure Regulator

In Stock
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$134.95
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5

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.

See Emissions Details

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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

About Holley

Looking for Holley performance products? We're the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, and more. Buy now!

Brand Holley
ColorBlack Anodized
Emission Code5
Fuel SystemCarbureted
Fuel TypeDiesel
Gasoline
Inlet Size3/8 inch NPT
MaterialAluminum
Outlet Size3/8 inch NPT
Pressure Range4.5-9 PSI
Product TypeFuel Pressure Regulator
Sale CategoryAir and Fuel Delivery
StyleNon-Return
WarrantyLimited 90 Day
UPC090127670453
Part Number12-840
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.
Instructions for Part# 12-840
Holley Fuel Systems Chart
Regulator is compatible with Diesel #1 and Diesel #2.
Limited 90 Day: See Details

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    *Free Shipping & Handling only offered to the contiguous US on orders over $150, excludes clearance parts and oversized packages.

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