# Radium Engineering Mazda 13B-RE Secondary Fuel Rail

The Radium Engineering high flow secondary fuel rail is for the 13B-RE rotary engine originally found in the 1990-1995 Mazda/Eunos Cosmo. 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. Like the stock fuel rail, the rail features 11mm injector bores permitting the use of OEM fuel injectors.

This Part Fits:

Year

Make

Model

Submodel

1993-1995

Mazda

RX-7

Base

1993

Mazda

RX-7

R1

1994-1995

Mazda

RX-7

R2

1993-1995

Mazda

RX-7

Touring

## Details

- **Price:** 247.13 CAD
- **Vendor:** Radium Engineering
- **Type:** Fuel Rails

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 247.13 CAD | In stock |

## Images

- Photo - Primary
- User 2
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/radium-engineering-mazda-13b-re-secondary-fuel-rail)
> Updated: 2026-07-01