AEM

AEM Electronics 25-111BK High Volume Fuel Rail (K20 High Flow) – Extreme Performance for Honda Civic Si and Acura RSX

Name: AEM Electronics 25-111BK High Volume Fuel Rail (K20 High Flow) – Extreme Performance for Honda Civic Si and Acura RSX
Brand: AEM
Price: 99.70 EUR
Availability: InStock

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€99,70

Product details

Type Engine Performance
Vendor AEM

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The AEM Electronics 25-111BK is a high-flow fuel rail specific to Honda K20 engines. Designed to eliminate factory system restrictions and stabilize fuel pressure, this rail is the direct solution for high-power builds, turbo projects, and competition use.

Features

12.7 mm (0.5") internal diameter — Massive fuel flow that prevents pressure drops at high RPM.
Supports over 1000 HP — More than enough capacity for turbocharged, supercharged, or heavily built naturally aspirated engines.
Integrated 1/8" NPT port — Allows connection of a fuel pressure gauge or nitrous line without adapters.
6061-T6 Aluminum construction — CNC machined for precision, strong and extremely lightweight.
Black anodized with laser etching — Corrosion protection and durable finish, compatible with E85 fuel.

Technical specifications

Material: 6061-T6 aerospace aluminum
Finish: Black anodized with laser-etched logo
Connections: -6 AN and 9/16"x18
Injector compatibility: OEM and high flow
Includes: Complete mounting kit, O-rings, and necessary hardware

Compatibility

Compatible models:

Honda Civic Si (2002-2005)
Acura RSX Base and Type-S (2002-2006)

Engines:

K20 series (K20A, K20A2, K20A3, K20Z1)
K-Swap conversions using K20 engine

Why choose AEM

Unlike factory rails, which suffer from flow restrictions and pressure fluctuations at high RPM, the AEM 25-111BK acts as a pulse dampener, stabilizing fuel delivery under maximum demand. Compared to generic alternatives, AEM guarantees precise machining tolerances, perfect sealing, and surface treatment that resists corrosion from modern fuels, including E85.

FAQ

Does it require modifications to install? No, it's a direct bolt-on replacement. Everything included in the box.
Is it compatible with E85? Yes, the anodizing protects the aluminum against ethanol corrosion.
Can I use my factory injectors? Yes, it's compatible with OEM and aftermarket high-performance injectors.

Shipping & warranty

In stock. Fast and secure shipping. 100% compatibility guarantee for K20 engines.

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