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Product Summary

Universal Fit, 4-65 Fuel Pressure Rating (psi), Black

  • The 4-15 psi carbureted spring comes installed in the regulator
  • Includes fitting for manifold reference and an 1/8 NPT gauge port
  • Designed to be used in systems with a return line back to the tank
  • It is adjustable from 4-65 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks

Key Specs

MFG. Part #12-879
BrandHolley

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Details

Holley Billet Fuel Pressure Regulators are just part of the complete line of fuel system products that Holley offers. This regulator is constructed from 6061-T6 billet aluminum for strength and durability. Adjustable from 4-65 psi and will handle both carbureted and EFI applications. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, this regulator will have you covered either way.
Features:

  • Adjustable from 4-65 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks
  • Used in systems with a return line back to the tank
  • (1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port
  • Includes fitting for manifold reference
  • Includes an 1/8 NPT gauge port
  • Boost Reference - 1:1

Features

  • Adjustable from 4-65 psi for precise fuel pressure adjustments
  • Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks
  • Used in systems with a return line back to the tank
  • (1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port
  • Includes fitting for manifold reference
  • Includes an 1/8 NPT gauge port
  • Boost Reference - 1:1
  • The 4-15 psi carbureted spring comes installed in the regulator

Charts

Specifications

KEY SPECS
MFG. Part #12-879
BrandHolley
GENERAL
Fuel Pressure Rating (psi)4-65
Regulator StyleBypass Return Style
Material TypeBillet Aluminum
Inlet Fitting3/8" NPT Female
Outlet Fitting3/8" NPT Female
FinishAnodized
Sold in QuantityEach
Thread Pitch3/8" NPT Female
GTIN Code090127734971
ColorBlack