{"product_id":"aem-25-305bk-high-capacity-adjustable-fuel-pressure-regulator-40-130-psi-black-6an-e85-compatible","title":"AEM High-Capacity Adjustable Fuel Pressure Regulator (40-130 PSI, -6AN, E85) – Universal for Turbo and Competition Engines","description":"\u003cp\u003eThe \u003cstrong\u003eAEM 25-305BK\u003c\/strong\u003e is a high-performance fuel pressure regulator designed for systems that demand high flow and stability. It incorporates an oversized return orifice and a long-travel spring that eliminate pressure fluctuations even with 400 LPH or higher pumps. Perfect for turbo engines, competition builds and any project that needs to maintain constant pressure under extreme conditions.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 to 130 PSI range (2.76 – 8.96 bar)\u003c\/strong\u003e — Long spring that allows precise adjustments without loss of stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge return orifice\u003c\/strong\u003e — Manages high-flow pumps with no creep or unwanted pressure rises.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:1 rise ratio\u003c\/strong\u003e — Automatically raises fuel pressure in parallel with turbo or supercharger pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with E85, methanol and racing fuels\u003c\/strong\u003e — Internal materials resistant to corrosion from aggressive fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 6061-T6 billet aluminum body\u003c\/strong\u003e — Black anodized, robust and with a professional finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e AEM 25-305BK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure range:\u003c\/strong\u003e 40 – 130 PSI (2.76 – 8.96 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet ports:\u003c\/strong\u003e 2 × -6AN ORB (9\/16\"-18)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn port:\u003c\/strong\u003e 1 × -6AN ORB (9\/16\"-18)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge port:\u003c\/strong\u003e 1\/8\" NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum\/boost connection:\u003c\/strong\u003e 3\/16\" (5 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory setting:\u003c\/strong\u003e 40 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 billet aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal\u003c\/strong\u003e. It adapts to EFI (electronic fuel injection) and high-pressure carburetion systems. Optimized for turbo, supercharged and high-power naturally aspirated engines. Compatible with gasoline, E85, ethanol, methanol and racing fuels.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the High Capacity model?\u003c\/h3\u003e\n\u003cp\u003eUnlike standard regulators (such as the AEM 25-302BK), the \u003cstrong\u003e25-305BK\u003c\/strong\u003e eliminates the creep that appears with high-flow pumps (+400 LPH). Its one-piece return orifice ensures that excess fuel returns to the tank without restrictions, keeping the injector rail stable at all times.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it compatible with E85?\u003c\/strong\u003e Yes, all internal components resist corrosion from alcohol-based fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it include a gauge?\u003c\/strong\u003e No, but it incorporates a standard 1\/8\" NPT port to install the gauge of your choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it suitable for daily use?\u003c\/strong\u003e Yes, it works perfectly both on the street and on the track.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × AEM 25-305BK pressure regulator\u003c\/li\u003e\n\u003cli\u003e1 × Universal mounting bracket\u003c\/li\u003e\n\u003cli\u003e4 × Mounting screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping and warranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIn stock.\u003c\/strong\u003e Fast shipping and guaranteed compatibility with systems that use -6AN connections.\u003c\/p\u003e","brand":"AEM","offers":[{"title":"Default Title","offer_id":51808177946906,"sku":null,"price":193.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/9324\/0602\/files\/6989d743ca681_aem-25-305bk-high-capacity-ayarlanabilir-yakit-basin_C3_A7-regulatoru-40-130-psi-siyah-6an-e85-uyumlu-25-305bk-3e928517-1280x1280_fill.webp?v=1773170888","url":"https:\/\/www.ro34.com\/products\/aem-25-305bk-high-capacity-adjustable-fuel-pressure-regulator-40-130-psi-black-6an-e85-compatible","provider":"Remedio Digital SL","version":"1.0","type":"link"}