AEM 88-91 Civic/CRX / 92-01 Prelude

AEM 88-91 Civic/CRX / 92-01 Prelude Adjustable Fuel Pressure Regulator

Brand: AEM Electronics

Price: $230.99 USD

Purchase details

Fitment: Check your exact vehicle and all application restrictions. View fitment details.

Availability: Out of stock

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Fitment

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Description

AEM 25-303BK is a billet-aluminum adjustable fuel-pressure regulator with 1:1 boost reference and an angled return fitting.

Specifications

Adjustment range: 20 psi to fuel-pump capacity

Boost-reference ratio: 1:1

Return outlet thread: 9/16-18

Manufacturer resources

Manufacturer product information

Manufacturer instructions

Key features

  • 6061-T6 billet aluminum construction
  • One-pound fuel-pressure increase for each pound of boost

Specifications

General

Manufacturer part number25-303BK

What's in the box

  • Fuel-pressure regulator and factory fuel-hose barb fitting

Install & Results

At a glance

  • Supporting modifications required:
    • Fuel-pressure gauge for setting pressure
    • AEM fuel rail for the listed H22A1/H23A1 applications
  • Set fuel pressure with a gauge and follow the supplied AEM instructions for the return and reference connections. Check the assembled fuel system for leaks.