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Air and Fuel› Fuel Injection Systems and Components - Electronic

Radium Engineering

Radium Engineering Mazda 13B Primary Top Feed Conversion Fuel Rail

$129.95 $123.45 Save $6.50

SKU: R005 20-0445

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Ships in 4–6 weeks
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$100 Minimum Order
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Overview

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.
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Part #: 20-0445

CNC machined fuel rail with direct fitment on the 13B housing. Converts to common top-feed fuel injectors. Fuel rail is equipped with three 8AN ORB ports. Check injector compatibility at Radiumauto.com. CNC Machined from aluminum and compatible with gas and E85.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRadium Engineering
Part NumberR005 20-0445
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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