Exterior Components Body Panels and Components

Holley

DIE CAST BYPASS FUEL PRESSURE REGULATOR KIT 4.59 PSI 3/8IN NPT INLET FITTINGS

$162.19

SKU: H00E 12-887KIT

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 12-887KIT

Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-887 regulator features a die cast aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port. In addition, 3- 3/8" NPT to -6 AN fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.

Features:

  • Die Cast Aluminum Construction
  • Adjustable from 4.5-9 psi for precise fuel pressure adjustments
  • Used in return style systems with a line back to the fuel tank
  • 3/8" NPT Inlet, Outlet, and Return Ports
  • 1/8" NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
  • 3/8" NPT to -6 AN fittings (481666-BL x3)
  • Mounting Bracket Included

4.5-9 Psi - Fittings and Gauge Included

MIA's Description

The Holley 12-887KIT is a die cast bypass fuel pressure regulator kit. It features a die cast aluminum construction with a black finish. The regulator is adjustable from 4.5-9 psi, allowing for precise fuel pressure adjustments.

Fitment

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Specifications

BrandHolley
Part NumberH00E 12-887KIT
Weight1.67 lb

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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