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Holley Performance HP Billet Fuel Pressure Regulator 12-843


4.2-9 psi - -10AN O-Ring Inlet - -8AN O-Ring Outlets - Non-Return Style - Carbureted - Gasoline/Diesel/E85 - Black Anodized

Pricing: $134.95


Holley Performance - HP Billet Fuel Pressure Regulator P/N 12-843 Features:

  • Adjustable From 4.5-9 PSI For Precise Fuel Pressure Adjustment
  • Constructed Of Billet Aluminum For Good Looks
  • Used In Systems Where A Return Line Is Not Needed
  • Use With Electric Or Mechanical Pumps
  • (1)10 an O-Ring Inlet (2)-8 an O-Ring Outlets
  • 1/8in. Npt Gauge Port
  • Interchangeable With PN 12-803 Regulator
  • Mounting Bracket Included

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
  • 1.1 lbs.
  • W2.8000” x H5.3000” x L5.3000”

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