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Holley Performance HP Billet Fuel Pressure Regulator 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

Pricing: $112.95


Holley Performance - HP Billet Fuel Pressure Regulator P/N 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
  • Use With Electric Pumps Only
  • One 3/8 in. Npt Inlet/One 3/8 in. Npt Outlet
  • 1/8 in. NPT Gauge Port
  • Interchangeable w/PN12-803
  • Mounting Bracket Included
  • One 3/8 in. Npt Return

Product Documents:


Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & 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 Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.


Shipping Information

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

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