HP Billet Fuel Pressure Regulator; 4.5-9 psi; 3/8 in. NPT Ports; Carbureted; Non-Return Style; Gasoline/Diesel/E85; Black Anodized;
Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061
  • 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
  • One 3/8 in. Npt Inlet and Two 3/8 in. Npt Outlets
  • 1/8 in. NPT Gauge Port
  • Mounting Bracket Included

Application Summary:

Year Make/Model
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 3/8in. NPT in/out ports.

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.