AEM High Volume billet fuel rail, CNC-machined from 6061-T6 aluminum with a black hard-anodized finish. The 1/2in fuel bore supports up to 1,000 horsepower and dampens backpressure pulses from larger injectors while still working with stock injectors. Installs on the factory fuel line with the supplied fitting (rail ends pre-tapped for -6AN / 9/2016-2018), and includes a 1/8in NPT port for a nitrous feed or fuel-pressure gauge plus all hardware and injector O-rings.
| Material | 6061-T6 billet aluminum |
| Finish | Black hard-anodized |
| Fuel bore | 1/2 in |
| HP support | Up to 1,000 HP |
| Ports | 1/8in NPT gauge/nitrous; -6AN / 9/16-18 ends |
| Part Number | 25-103BK |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2000 | Honda | Civic | Si |
| 1994-1997 | Honda | Civic del Sol | VTEC |
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