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Viral Radium Engineering Fuel Rail Top Feed Conversion Mazda 13b Primary - 20-0445 Complete Set [l1bU7O6h]

$25.99 $83.99 -69%

Fitment InformationMazda 13B PrimarySpecifications Ports and Fittings: The fuel rail has three ports that are tapped for 8AN ORB.8AN ORB Adapter Fittings8AN ORB Direct Mount Regulators8AN ORB Fuel Pulse DampersFuel Pressure Gauge Adapters Fuel Inject

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Viral Radium Engineering Fuel Rail Top Feed Conversion Mazda 13b Primary - 20-0445 Complete Set [l1bU7O6h]

Fitment Information

  • Mazda 13B Primary

Specifications 

Ports and Fittings: 

  • The fuel rail has three ports that are tapped for 8AN ORB.
    • 8AN ORB Adapter Fittings
    • 8AN ORB Direct Mount Regulators
    • 8AN ORB Fuel Pulse Dampers
    • Fuel Pressure Gauge Adapters 

Fuel Injector Compatibility

  • Below are some of the many fuel injectors that are a direct fitment with this fuel rail:
    • Injector Dynamics ID850-34-14-14
    • Injector Dynamics ID1050x-34-14-14
    • Injector Dynamics ID1300-34-14-14
    • Injector Dynamics ID1700-34-14-14
    • Injector Dynamics ID2000-34-14-14 
    • Evolved Injection DPI550-38-14-14
    • Evolved Injection DPI650-38-14-14
    • Evolved Injection DPI850-38-14-14
    • Evolved Injection DPI1000-38-14-14
    • Evolved Injection DPI1200-38-14-14
    • Evolved Injection DPI1300-38-14-14
    • Evolved Injection DPI2200-38-14-14
    • RC Engineering SM2-0310
    • RC Engineering SM2-0370
    • RC Engineering SM2-0450
    • Deatschwerks 16U-00-0042-4
    • Deatschwerks 16U-00-0050-4
    • Deatschwerks 16U-00-0065-4
    • Deatschwerks 16U-00-0090-4
    • Deatschwerks 16M-00-1500-4
    • Deatschwerks 16M-00-2200-4
  • Note: Fuel Injectors are NOT included and must be purchased elsewhere.

Product Description

The Radium Engineering high flow primary fuel rail is for the 13B-RE and 13B-REW rotary engine found in the 1990-1995 Mazda/Eunos Cosmo and 1992-2002 Mazda RX7 FD3S. The aluminum fuel rail is anodized black for compatibility with all popular fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

This product is a definite home run.

- Eliana Q..

January 27, 2026

Absolutely no complaints!

I'm happy with the product. It's useful.

- Tisha B..

January 27, 2026

Absolutely no complaints!

So very, very happy with my purchase.

- Ellen I..

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