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Air and Fuel› Superchargers, Turbochargers and Components

Radium Engineering

Radium Engineering Mazda 13B Primary Top Feed Conversion Fuel Rail

$129.95 $123.45 Save $6.50

SKU: R005 20-0445

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Radium Engineering fuel rail is a high-flow primary fuel rail designed for the 13B-RE and 13B-REW rotary engines. It features a large internal bore to support engine power requirements and is anodized black for compatibility with various fuel types, including E85. The fuel rail has three ports tapped for 8AN ORB fittings, allowing for adapter fittings, direct mount regulators, fuel pulse dampers, and fuel pressure gauge adapters.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandRadium Engineering
Part NumberR005 20-0445

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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