---
product_id: 11092802
title: "25-302BK Black High Volume Adjustable Fuel Pressure Regulator"
brand: "aem"
price: "HK$1914"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/11092802-25-302bk-black-high-volume-adjustable-fuel-pressure-regulator
store_origin: HK
region: Hong Kong
---

# Supports up to 1000 HP fuel flow Adjustable pressure 20 psi to max pump capacity CNC-machined 6061-T6 billet aluminum 25-302BK Black High Volume Adjustable Fuel Pressure Regulator

**Brand:** aem
**Price:** HK$1914
**Availability:** ✅ In Stock

## Summary

> ⛽ Elevate your ride with precision fuel control that means business.

## Quick Answers

- **What is this?** 25-302BK Black High Volume Adjustable Fuel Pressure Regulator by aem
- **How much does it cost?** HK$1914 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/11092802-25-302bk-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

- • **Seamless Compatibility:** Patented interchangeable discharge ports ensure perfect fit with any fuel pump output.
- • **High-Performance Fuel Flow:** Handles fuel demands up to 1000 HP, perfect for serious power upgrades.
- • **Boost-Responsive Efficiency:** Boost-dependent rising fuel pressure rate (1:1) optimizes performance under pressure.
- • **Customizable Pressure Control:** Easily adjustable fuel pressure from 20 psi up to your pump’s max for tailored tuning.
- • **Precision Engineered Durability:** Crafted from premium 6061-T6 billet aluminum for unmatched strength and longevity.

## Overview

The AEM 25-302BK is a high-volume, adjustable fuel pressure regulator engineered from CNC-machined 6061-T6 billet aluminum. Designed to support fuel flow for engines up to 1000 HP, it features patented interchangeable discharge ports and a boost-dependent rising fuel pressure rate, allowing precise tuning from 20 psi to your fuel pump’s maximum capacity. Ideal for performance enthusiasts seeking reliable, customizable fuel management.

## Description

25-302BK Black High Volume Adjustable Fuel Pressure Regulator

## Features

- Model: 25-302BK
- Inlet: 2 x -6AN (9/16-18), Outlet: -6AN, Gauge Port: 1/8 in. NPT
- Fuel flow support: Up to 1000 HP
- Patented interchangeable discharge ports for matching any fuel pump output
- CNC-machined from 6061-T6 billet aluminum
- Boost dependent rising fuel pressure rate (1:1)
- Adjustable fuel pressure from 20 psi to maximum fuel pump capacity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | AEM |
| Fit Type | Vehicle Specific Fit |
| Vehicle Service Type | Car |
| Item dimensions L x W x H | 2.36 x 1.57 x 1.57 inches |
| Material | 6061-T6 billet aluminum |
| Item Weight | 290 Grams |
| Style | Gerotor |
| Specification Met | OE |
| Auto Part Position | Unknown |
| Outlet Connection Size | 0.25 Inches |
| Body Material | Aluminum |
| Gas Type | Gasoline |
| Mounting Type | Flange Mount |
| Operation Mode | Manual |
| Product Grade | New |
| Global Trade Identification Number | 00840879020033 |
| OEM Part Number | 25-302BK |
| Manufacturer | AEM |
| UPC | 840879020033 |
| Item Package Dimensions L x W x H | 4.69 x 4.45 x 3.35 inches |
| Package Weight | 0.3 Kilograms |
| Item Dimensions  LxWxH | 2.36 x 1.57 x 1.57 inches |
| Brand Name | AEM |
| Warranty Description | Warranty |
| Model Name | AEM 25-302BK Black High Volume Adjustable Fuel Pressure Regulator |
| Color | Black |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Part Number | 25-302BK |
| Included Components | AEM 25-302BK Black High Volume Adjustable Fuel Pressure Regulator |
| Size | No Size |

## Product Details

- **Brand:** AEM
- **Fit Type:** Vehicle Specific Fit
- **Vehicle Service Type:** Car
- **Item dimensions L x W x H:** 2.36 x 1.57 x 1.57 inches
- **Material:** 6061-T6 billet aluminum

## Images

![25-302BK Black High Volume Adjustable Fuel Pressure Regulator - Image 1](https://m.media-amazon.com/images/I/71WxV83z2CL.jpg)

## Questions & Answers

**Q: will it work for mazdaspeed3**
A: Yes if you're supporting an auxiliary fuel system this regulator is perfect, my 2013 ms3 is setup with this exact regulator making 700+whp

**Q: is this compatible with e85**
A: Yes, I have been running mine on e85 for 3 years. Works great!

**Q: Is this universal application?**
A: Yes.

**Q: Can this be used to regulare the return?**
A: Like most other FPRs, this will regulate rail pressure by bleeding off fuel to the return at the pressure you set it to.

## Frequently Bought Together

- AEM 25-302BK Black High Volume Adjustable Fuel Pressure Regulator
- EVIL ENERGY 6AN Flare to 6AN ORB Male Fuel Rail Adapter Fitting Black 2PCS
- Marshall Instruments LBB00100 Fuel Pressure Gauge Black

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**Shop now:** [https://www.desertcart.hk/products/11092802-25-302bk-black-high-volume-adjustable-fuel-pressure-regulator](https://www.desertcart.hk/products/11092802-25-302bk-black-high-volume-adjustable-fuel-pressure-regulator)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-23*