FREE SHIPPING & HANDLING!*                           Order by 11 PM EST for Same Day Shipping!

Holley 12-840 - Holley Billet Fuel Pressure Regulators

Holley 12-840 - Holley Billet Fuel Pressure Regulators

Holley#510-12-840

Billet Adjustable Regulator
  • Carbureted Applications
  • Adjustable 4.5-9PSI
  • 3/8" NPT Ports

    Holley 12-840 - Holley Billet Fuel Pressure Regulators Details

    HP Series Regulators

  • Used in systems where a return line is not needed
  • Use with electric or mechanical pumps
  • Adjustable from 4.5-9 PSI for precise fuel pressure adjustments
  • One inlet, two outlets

  • Holley 12-840 - Holley Billet Fuel Pressure Regulators

    Holley® HP™ and Dominator™ Billet Fuel Pressure Regulators are part of a complete line of fuel system product line. 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. Holley® Billet Fuel Pressure Regulators are available in a variety of configurations.

  • Demand and return style regulators available
  • CNC machined from 6061-T6 billet aluminum for strength
  • Black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks
  • All regulators feature a 1/8" NPT gauge port
  • Carbureted and EFI versions available
  • All regulators include a mounting bracket for easy installation

  • Grime Boss A541S30X - Grime Boss Hand Wipes
    Only $8.99

    Grime Boss A544R10X - Grime Boss Hand Wipes
    Only $4.69

    Grime Boss M956S8X - Grime Boss Hand Wipes
    Only $14.99