--- product_id: 280774210 title: "AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator" brand: "aem" price: "€ 312.33" currency: EUR in_stock: true category: "Aem" url: https://www.desertcart.hr/products/280774210-aem-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator store_origin: HR region: Croatia --- # Supports up to 1000 HP fuel flow Interchangeable discharge ports Adjustable pressure 20-100+ psi AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator **Brand:** aem **Price:** € 312.33 **Availability:** ✅ In Stock ## Summary > ⛽ Tune like a pro, fuel like a champion. ## Quick Answers - **What is this?** AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator by aem - **How much does it cost?** € 312.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/280774210-aem-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 - • **Race-Ready Fuel Flow:** Handles fuel demands for engines up to 1000 horsepower, ensuring peak performance under pressure. - • **Custom Fit Compatibility:** Includes custom barb fitting and accepts -6 AN or 9/16-18 fittings for easy integration with factory or aftermarket setups. - • **Durable Mechanical Design:** Robust mechanical lift type regulator built to withstand demanding driving conditions and maintain consistent fuel delivery. - • **Precision Pressure Control:** Adjust fuel pressure seamlessly from 20 psi up to your pump’s max capacity for ultimate tuning flexibility. - • **Versatile Honda/Acura Fitment:** Designed specifically for a wide range of Honda and Acura models from the late 80s to early 2000s, perfect for enthusiasts and tuners. ## Overview The AEM 25-300BK is a high-volume adjustable fuel pressure regulator engineered for Honda and Acura vehicles, supporting fuel flow for engines up to 1000 horsepower. Featuring patented interchangeable discharge ports and versatile fittings, it offers precise pressure adjustment from 20 psi to maximum pump capacity, making it a top choice for serious tuners seeking reliable, customizable fuel management. ## 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. ## 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 | | Automotive Fit Type | Vehicle Specific Fit | | Body Material | Aluminum | | Brand Name | AEM | | Compatible with Vehicle Type | Car | | Connector Type | ON | | Customer Reviews | 4.3 4.3 out of 5 stars (209) | | Fit Type | Vehicle Specific Fit | | Gas Type | Gasoline | | Global Trade Identification Number | 00840879019860 | | Inlet Connection Size | 0.38 Inches | | Inlet Connection Type | Threaded | | Item Weight | 0.25 Kilograms | | Manufacturer | AEM | | Manufacturer Part Number | 25-300BK | | Material Type | Aluminum | | Model Number | 25-300BK | | Mounting Type | Rail Mount | | OEM Equivalent Part Number | 25-300BK | | 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 | | UPC | 840879019860 | | Unit Count | 1 Count | ## Product Details - **Brand:** AEM - **Fit type:** Vehicle Specific Fit - **Item weight:** 0.25 Kilograms - **Material:** Aluminum - **Vehicle service type:** Car ## Images ![AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator - Image 1](https://m.media-amazon.com/images/I/618dqIq7vTL.jpg) ![AEM 25-300BK Black High Volume Adjustable Fuel Pressure Regulator - Image 2](https://m.media-amazon.com/images/I/31eap8oepYL.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.... ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/280774210-aem-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator](https://www.desertcart.hr/products/280774210-aem-25-300bk-black-high-volume-adjustable-fuel-pressure-regulator) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-06*