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Our Price: $139.95
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Description 

Click here to download installation instructions (PDF).

This big bore fuel rail features a large 0.69" diameter internal bore with three -8AN O-ring ports (3/4"-16 female threads) to accept a variety of adapter fittings for custom high flow fuel system builds. This is the largest S2000 fuel rail bore on the market that uses all 5 crucial OEM mounting bosses. The fuel rail is machined, anodized, and laser etched for a high quality surface finish. It is compatible with all fuel types including popular alcohol mixtures such as E85. 


The port layout is shown in the graphic above.  The factory regulator can be used in the triangular area, or the port in that location can be blocked off with a 1/8NPT plug or fuel pressure gauge/transducer. The middle of the rail features a unique connection for the OEM feed hose on the 04-05 S2000, but the feed hose from the 00-03 models can be connected here using Honda part number 16623-PCX-003. If the OEM feed hose is not going to be used, a small block off plate is included to seal this passage, shown below.

 
This kit eliminates the OEM fuel rail cover and also replaces the air pump system hard tubes with vacuum hose for a cleaner appearance.  

20-0091-02 Fuel Rail Kit, S2000, 00-05 (Kit contents shown below)

This setup is great if the OEM banjo fuel feed line is going to be reused. It just requires three -8AN ORB Fittings (of your choice) for the front, rear, and top ports. Consider a gauge and/or a pulse damper, described below. Replacement vacuum tubing is included to simplify and eliminate the hard lines.  

Includes:
-Billet anodized aluminum fuel rail
-Banjo block-off plate w/ O-ring
-Vacuum tubing
-Stainless steel hardware 

20-0091-01 Fuel Rail Kit, S2000, 00-05, PTFE Hose Included (Kit contents shown below)

This option includes everything from the 20-0091-02 fuel rail kit with the addition of a -6AN PTFE hose connection to replace the restrictive OEM banjo fitting. Also included are fittings for all 3 ports as well as a special inverted flare adapter fitting that connects to the OEM hard line near the firewall. The 23" high quality PTFE hose is compatible with E85, ethanol, alcohol, gasoline, etc. The included billet block-off plate will be used to cap the stock banjo feed port. Nothing else is required for this kit.

OPTIONAL ACCESSORIES

The Radium gauge option 20-0075 comes with the gauge and the 1/8" NPT adapter fitting which can be used on the front or top port of the fuel rail. Alternatively, a Radium fuel pulse damper can be used. 

The Radium fuel rail is compatible with the OEM fuel pressure regulator. Alternatively, if a remote mounted regulator is used, the FPR port can be plugged with an 1/8" NPT plug and the Radium gauge (shown below) can be installed in its place. 



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