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PORTS AND FITTINGS
This fuel rail features four 8AN ORB ports, two on the bottom and one at each end. O-ring style fittings must be used in these ports. No fittings are included with this fuel rail and must be purchased separately.
Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.
This fuel rail is for the Nissan RB25DET NEO engine ONLY! This is commonly found in the R34 Skyline among others. For the Nissan RB25DET (non NEO) fuel rail, go HERE.
This Radium Engineering fuel rail is CNC machined from extruded 6063 aluminum, black anodized, and laser etched for a high quality surface finish. Features a large 0.69" center bore that will easily support all stock and modified version of the RB25DET NEO.
The rails are compatible with all fuel types including popular alcohol mixtures such as E85.
Billet aluminum mounting feet are provided for superior strength. Insulating washers are included to thermally shield the fuel rail from the intake manifold.
Like the OEM fuel rail, the fuel injector bores are 14mm ID so factory injectors can be used, or any aftermarket injector with the same height and O-rings sizes. Furthermore, provisions for the OEM injector retaining clips are provided.
The fuel rail has four 8AN ORB threaded ports in total. Optionally, Radium FPD-R fuel pulse dampers fit in the center fuel rail ports (as shown). Do you need a fuel pulse damper?
INCLUDED IN THE KIT:
-Black Anodized Laser Etched Fuel Rail
-Black Anodized Mounting Feet
-Stainless Steel Mounting Hardware
-Phenolic Thermal Insulating Spacers