{"product_id":"aem-electronics-k20-high-volume-fuel-rail-25-111bk","title":"AEM Electronics 25-111BK High-Volume Fuel Rail (K20 High Flow) – Extreme Performance for Honda Civic Si and Acura RSX","description":"\u003cp\u003eThe \u003cstrong\u003eAEM Electronics 25-111BK\u003c\/strong\u003e is a high-flow fuel rail specific to Honda K20 engines. Designed to eliminate the restrictions of the original system and stabilize fuel pressure, this rail is the direct solution for high-power builds, turbo projects, and competition.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.7 mm (0.5\") internal diameter\u003c\/strong\u003e — Massive fuel flow that prevents pressure drops at high RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports over 1000 HP\u003c\/strong\u003e — Ample capacity for turbo, supercharged, or heavily built naturally aspirated engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 1\/8\" NPT port\u003c\/strong\u003e — Allows you to connect a fuel pressure gauge or nitrous line without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6061-T6 aluminum construction\u003c\/strong\u003e — Precision CNC-machined, strong, and extremely lightweight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser-etched black anodizing\u003c\/strong\u003e — Corrosion protection and a durable finish, compatible with E85 fuels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 aerospace aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized with laser-etched logo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e -6 AN and 9\/16\"x18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector compatibility:\u003c\/strong\u003e OEM and high-flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Complete mounting kit, O-rings, and necessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHonda Civic Si (2002-2005)\u003c\/li\u003e\n\u003cli\u003eAcura RSX Base and Type-S (2002-2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eK20 series (K20A, K20A2, K20A3, K20Z1)\u003c\/li\u003e\n\u003cli\u003eK-Swap conversion applications using a K20 engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose AEM\u003c\/h3\u003e\n\u003cp\u003eUnlike original rails, which suffer flow restrictions and pressure fluctuations at high RPM, the AEM 25-111BK acts as a pulse damper, stabilizing fuel supply under maximum demand. Compared to generic alternatives, AEM guarantees precise machining tolerances, a perfect seal, and a surface treatment that resists corrosion from modern fuels, including E85.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it require modifications to install?\u003c\/strong\u003e No, it is a direct (bolt-on) replacement. Everything is included in the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it compatible with E85?\u003c\/strong\u003e Yes, the anodizing protects the aluminum against ethanol corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I use my original injectors?\u003c\/strong\u003e Yes, it is compatible with OEM and aftermarket high-performance injectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping and warranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct in stock.\u003c\/strong\u003e Fast and secure shipping. 100% fitment guarantee for K20 engines.\u003c\/p\u003e","brand":"AEM","offers":[{"title":"Default Title","offer_id":51820832555290,"sku":null,"price":99.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/9324\/0602\/files\/hf_20260605_231037_7d78253a-465e-4d93-9058-278e94eec6c7.png?v=1780701273","url":"https:\/\/www.ro34.com\/products\/aem-electronics-k20-high-volume-fuel-rail-25-111bk","provider":"Remedio Digital SL","version":"1.0","type":"link"}