Radium Top Feed Fuel Rail Nissan S14 S15 SR20DET
Replaces Part #20-0159
Radium Top Feed Fuel Rail Nissan S14 S15 SR20DET
This Nissan Silvia fuel rail kit is specifically designed for SR20DET S14/S15 style intake manifolds. It features a large 0.69" internal diameter bore to suit even the most fuel hungry engines. The rail is CNC machined from solid 6061 aluminum and black anodized for a high quality surface finish.
The included hardware mounts the fuel rail to the OEM intake manifold bosses. The Radium fuel rail converts the OEM side feed fuel injector setup to top feed, allowing the use of high flow fuel injectors (not included). The fuel injector bores are 14mm ID.
Note: Top feed fuel injectors designed for 11mm bores can be used by switching the top O-rings to 14mm style O-rings.
The kit is designed for specific upper and lower O-ring spacing, as depicted above. Different height injectors can be used, but longer or shorter spacers and hardware may be required. Below are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit.
Included:
- Black Anodized Aluminum Fuel Rail
- Green Anodized Aluminum Mounting Bolt Spacers (x3)
- Radium 20-0161, Green Anodized Aluminum 25mm Injector Seats (x4)
- Radium 20-0162, Black Anodized Aluminum IACV Spacer Kit
- Radium 18-0014, IACV Gasket, SR20DET S14/S15 (x1)
- Black Anodized Aluminum IACV Barb Adapter
- Rubber Hose and OEM Clamp for IACV
- Stainless Steel M8x1.25 Mounting Bolts (x3)
- Stainless Steel M6x1 Mounting Bolts (x3)
NOTE: This fuel rail kit does NOT come standard with fittings (see port configurations below). Fuel Pressure Gauge and Pulse Damper strongly suggested.
PORT CONFIGURATIONS:
The rear inlet port uses 3/4"-16 female O-ring port threads to accept -6AN, -8AN, or -10AN adapter fittings for custom high flow fuel system builds. The front port uses 3/8" NPT female threads which permits the use of our fuel pulse damper, a -6AN or -8AN adapter, or a billet adapter to reuse the stock FPR. On the bottom of the fuel rail there is another 3/8" NPT port for a -6AN or -8AN center port, pulse damper, or it can be plugged.
Use the optional check boxes and the diagram above to select the appropriate port configuration for your specific application. If nothing is required, simply do not check any boxes.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989 - 1998 | Nissan | 240SX | Base, SE |
| 1991 - 1998 | Nissan | 240SX | LE |
| 1989 - 1990 | Nissan | 240SX | XE |