Benefits of an AN8 Fuel Rail:

• Increased fuel flow capacity
• Supports high-horsepower builds
• Improved fuel pressure stability
• Compatible with aftermarket fuel systems
• Ideal for turbo and E85 setups

Applications: 02-05 Civic EP3 02-04 RSX DC5 05-06 RSX DC5 04-08 TSX CL 06-15 Civic Si

Product Overview: CNC AN8 Fuel Rail

This high-performance fuel rail is engineered for K-series engines and K-swap applications across popular Honda and Acura platforms.

Key Features:

• CNC-machined aluminum construction
• AN8 inlet/outlet for high-flow fuel systems
• Designed for K20 and K24 engines
• Compatible with K-swap chassis (EG, EK, DC2, CRX)
• Supports high-performance and turbo builds
• Durable and corrosion-resistant finish

Constituted of Billet Aluminum
Waft for prime efficiency engines

Compatible Vehicles

Honda Models:

• Civic EG / EK
• CRX
• Civic Si

Acura Models:

• Integra DC2

Engine Compatibility:

• K20 engines
• K24 engines

(Verify injector fitment and fuel line compatibility before installation.)

17.9mm (zero.70″) bore diameter
8AN inlet/outlet ports, This rail will fit factory Ok-collection automobiles hardline

Why This Fuel Rail Stands Out

Compared to stock fuel rails, this upgrade offers:

• Higher fuel flow for demanding builds
• Better fuel distribution across injectors
• Compatibility with aftermarket fuel lines (AN fittings)
• Increased reliability under boost

Packages: 02-05 Civic EP3 02-04 RSX DC5 05-06 RSX DC5 04-08 TSX CL 06-15 Civic Si

Ideal For:

• K20 / K24 swapped vehicles
• Turbocharged builds
• High-horsepower naturally aspirated setups
• Track and race applications

Installation Notes

• Requires AN8 fuel lines and fittings
• Ensure proper injector compatibility
• Pair with upgraded fuel pump and regulator
• Professional tuning recommended after installation

Performance Benefits of a AN8 fuel rail for Honda

Installing this fuel rail can:

• Support higher horsepower levels
• Improve fuel delivery consistency
• Enable aggressive tuning setups
• Reduce risk of fuel starvation

Frequently Asked Questions

What does AN8 mean?

AN8 refers to the size of the fuel line fittings, allowing higher fuel flow compared to stock.

Is this required for turbo builds?

Highly recommended for high-power setups.

Does this include injectors or fittings?

Typically no—this is the fuel rail only.

Conclusion

This K20/K24 CNC AN8 fuel rail is a must-have upgrade for serious K-swap performance builds. With increased flow capacity and durable construction, it ensures your engine gets the fuel it needs to perform at its best.