This Radium Engineering fuel rail kit is a direct bolt-on with the RB25DET (non NEO) engines originally found in the R33 Nissan Skyline GTS-T. Manufactured with a large 0.69" internal bore, the fuel rail can support all necessary engine power requirements. The Radium fuel rail converts the OEM side feed fuel injector setup to top feed allowing the use of high flow 14mm O-ring fuel injectors (not included). This kit is compatible with E85.
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The fuel rail has four 8AN ORB ports that can be used for fuel inlet, outlet or for plumbing option accessories. All unused ports must be plugged.

Includes:
- Black Anodized Aluminum Fuel Rail
- Phenolic Mounting Bolt Spacers, Short (x3)
- Phenolic Mounting Bolt Spacers, Tall (x3)
- Phenolic Mounting Bolt Washers (x3)
- Radium 20-0161-06, 25mm Injector Seats
- Stainless Steel Mounting Bolts, Short (x3)
- Stainless Steel Mounting Bolts, Tall (x3)

Fuel Injector Compatibility
The kit includes 2 sets of phenolic spacers (shown above in the kit contents) to suit multiple height injectors. The spacers are machined from phenolic material and offer excellent resistance to heat transfer.

Use the tall spacers and longer mounting bolts to accomodate this size injector (shwon below):

Below are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit using the tall spacers:
Use the shorter spacers and mounting bolts to accomodate this size injector:

Below are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit using the short spacers:
To reuse the factory fuel pressure regulator, an adapter (shown below) is necessary. This can be added using the options below.

Fits:
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