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 3/8" NPT in/out ports.

Features:
  • Adjustable from 4.5-9 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
  • Used in systems where a return line is not needed
  • Use with electric or mechanical pumps
  • One 3/8" NPT inlet and two 3/8" NPT outlets
  • 1/8" NPT gauge port
  • Comparable and interchangeable with popular Holley® 12-803 regulator
  • Mounting bracket included
  • More From This Category

    Nitrous Express Black Style Fuel Pump And Non Bypass Regulator Combo

    Nitrous Express Black Style Fuel Pump And Non Bypass Regulator Combo

    $517.11

    TURBOSMART FPR8 Fuel Pressure Regulator, For -8AN, Red, Each

    TURBOSMART FPR8 Fuel Pressure Regulator, For -8AN, Red, Each

    $274.72

    Trick Flow Regulator Bracket, Billet Aluminum, Black Anodized, 4500 Dominator, Aeromotive Regulator, Each

    Trick Flow Regulator Bracket, Billet Aluminum, Black Anodized, 4500 Dominator, Aeromotive Regulator, Each

    $103.39