---
product_id: 52184839
title: "25-300BK Black High Volume Adjustable Fuel Pressure Regulator"
brand: "aem"
price: "127.76 OMR"
currency: OMR
in_stock: true
reviews_count: 5
category: "Aem"
url: https://www.desertcart.com.om/products/52184839-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator
store_origin: OM
region: Oman
---

# Supports up to 1000 HP engines Aluminium body with -6 AN & 9/16-18 fittings Adjustable 20-100+ psi fuel pressure 25-300BK Black High Volume Adjustable Fuel Pressure Regulator

**Brand:** aem
**Price:** 127.76 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Dominate your drive with precision fuel power!

## Quick Answers

- **What is this?** 25-300BK Black High Volume Adjustable Fuel Pressure Regulator by aem
- **How much does it cost?** 127.76 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/52184839-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator)

## Best For

- aem enthusiasts

## Why This Product

- Trusted aem brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Fitment:** Vehicle-specific design for Honda/Acura models ensures seamless integration and reliability.
- • **High-Flow Capacity:** Engineered to support fuel demands of up to 1000 horsepower—power without compromise.
- • **Precision Fuel Control:** Fine-tune your fuel pressure from 20 psi up to your pump’s max for peak engine performance.
- • **Durable Aluminium Build:** Lightweight yet robust aluminium construction guarantees longevity under extreme conditions.
- • **Versatile Connection Options:** Includes interchangeable discharge ports and fittings for effortless compatibility with factory and aftermarket fuel systems.

## Overview

The AEM 25-300BK is a high-volume, adjustable fuel pressure regulator designed specifically for select Honda and Acura models. Crafted from durable aluminium, it supports fuel pressures from 20 psi up to the maximum capacity of your fuel pump, accommodating engines up to 1000 horsepower. Featuring patented interchangeable discharge ports and versatile fittings, it ensures a perfect fit and optimal fuel flow for enhanced engine performance.

## Description

AEM's Honda/Acura Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower. AEM's patented interchangeable discharge ports enable the regulator's output to match the output of any fuel pump. AEM includes a custom barb fitting to accommodate the factory fuel hose and the base of each regulator is tapped to accept a -6 AN or 9/16-inch x 18 fittings.

Review: Perfect upgrade
Review: Caution: Fire Hazard

## Features

- Applications: 94-01 Acura Integra RS, LS, GS and GSR
- Applications: 86-89 Honda Accord Lxi, Sei and 90-93 Honda Accord DX, LX, SE, EX (Must use AEM Rail) and 92-95 Honda Civic VX, CX, DX, LX and EX
- Applications: 99-00 Honda Civic Si and 93-95 Honda Del Sol S, Si and 94-97 Honda Del Sol VTEC
- Applications: 88-91 Honda Prelude Si and 92-96 Honda Prelude S (Must use AEM Rail)
- Adjustable from 20 psi to maximum fuel pump capacity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002YXCT3W |
| Auto Part Position | Inside |
| Body Material | Plastic |
| Brand | AEM |
| Brand Name | AEM |
| Compatible with Vehicle Type | Car |
| Connector Type | NPT |
| Customer Reviews | 4.1 out of 5 stars 205 Reviews |
| Fit Type | Vehicle Specific Fit |
| Fit type | Vehicle Specific Fit |
| Gas Type | Petrol |
| Global Trade Identification Number | 00840879019860 |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Manufacturer | AEM |
| Manufacturer Part Number | 25-300BK |
| Material | Aluminium |
| Material Type | Aluminium |
| Mounting Type | Rail Mount |
| Operation Mode | Mechanical |
| Outlet Connection Size | 0.25 Inches |
| Outlet Connection Type | AN |
| Part Interchange Info | 25-300BK |
| Product Grade | New |
| Product Style | Custom |
| Specification Met | OE |
| Specification met | OE |
| Style | Custom |
| UPC | 840879019860 |
| Unit Count | 1.0 Count |
| Vehicle service type | Car |

## Product Details

- **Brand:** AEM
- **Fit type:** Vehicle Specific Fit
- **Vehicle service type:** Car
- **Material:** Aluminium
- **Style:** Custom
- **Specification met:** OE
- **Auto part position:** Inside
- **Outlet connection size:** 0.25 inches
- **Inlet connection size:** 0.38 Inches
- **Outlet connection type:** Threaded-AN

## Images

![25-300BK Black High Volume Adjustable Fuel Pressure Regulator - Image 1](https://m.media-amazon.com/images/I/618dqIq7vTL.jpg)

## Questions & Answers

**Q: What is the possible psi out?**
A: We have them set at 55 psi

**Q: Will it work with a. Stock fuel rail on d15b7**
A: I don't think so, but check it on the AEM website.

**Q: Do I need to use AEM rail for 1995 Honda Civic EX?**
A: You dont need the rail you can bolt it on to the stock one.but if you plan on adjusting for more fuel you should get the fuel rail

**Q: Do i need to buy the aem rail for a 93 honda accord 2.2l sohc ?**
A: Id imagine so....

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect upgrade
*by S***5 on 26 July 2025*



### ⭐ Caution: Fire Hazard
*by C***L on 17 February 2025*



### ⭐⭐⭐⭐⭐ The only good one
*by M***N on 30 May 2025*



## Frequently Bought Together

- AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator
- Marshall Instruments LBB00100 Fuel Pressure Gauge Black
- AEM 25-100BK Black High Volume Fuel Rail

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**Shop now:** [https://www.desertcart.com.om/products/52184839-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator](https://www.desertcart.com.om/products/52184839-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-28*