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Holley Performance 12-842 HP Billet Fuel Pressure Regulator

4910198 - 12-842

4.5-9 psi - 3/8 in. NPT Ports - 3/8 in. NPT Return - Carbureted Bypass w/Idle Bleed - Gasoline/Diesel/E85 - Black Anodized

12-842 HP Billet Fuel Pressure Regulator Holley Performance

View the Full List of Automotive Applications »

Pricing: $115.95


Holley Performance - HP Billet Fuel Pressure Regulator - Part#: 12-842 Features:

  • Adjustable From 4.5-9 PSI For Precise Fuel Pressure Adjustment
  • Constructed Of Billet Aluminum For Good Looks
  • Utilizes A Idle Bleed For Precise Control Of Idle Pressure
  • Used In Systems With A Return Line Back To Tank
  • 1/8 in. NPT Gauge Port
  • Mounting Bracket Included

Product Documents:

View the Full List of Automotive Applications »

Below is an abbreviated list of applications for the HP Billet Fuel Pressure Regulator.


Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.


  • 4910198 - 12-842
  • 4910198
  • 12-842
  • 090127670477
  • Holley Performance
  • New

Shipping Information

  • Item Requires Shipping
  • 0.7 lbs.
  • W3.5000” x H2.5000” x L3.5000”

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