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Holley Billet Bypass Fuel Pressure Regulator Kit

4.5-9 Psi - Fittings and Gauge Included

Part # 12-840KIT
In Stock
Free Shipping - Lower 48 US States
Your Price
$246.95
Suggested Retail
$275.00
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-840 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 1/8" NPT gauge port. In addition, 3 Mr. Gasket 3/8" NPT to -6 AN fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.

Features:

  • Die Cast Aluminum Construction
  • Adjustable from 4.5-9 psi for precise fuel pressure adjustments
  • 3/8” NPT Inlet, Outlet Ports
  • 1/8” NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
  • Mr. Gasket 3/8” NPT to -6 AN fittings (481666-BL x3)
  • Mounting Bracket Included

About Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Brand Holley
ColorBlack
Emission Code3
5
Fuel SystemCarbureted
Fuel TypeGasoline
Inlet Size3/8 inch NPT
MaterialAluminium
Outlet Size3/8 inch NPT
Pressure Range15-60 PSI
Product TypeFuel Pressure Regulator
StyleNon-Return
WarrantyLimited 90 Day Warranty
UPC090127122884
Part Number12-840KIT
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Limited 90 Day Warranty: See Details

*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.