# Radium Engineering Mazda 20B-REW Secondary Fuel Rail

The Radium Engineering high flow secondary fuel rail is for the 20B-REW 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. Converts to top feed fuel injectors (not included).

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:** 338.9 CAD
- **Vendor:** Radium Engineering
- **Type:** Fuel Rails

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 338.90 CAD | In stock |

## Images

- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/radium-engineering-mazda-20b-rew-secondary-fuel-rail)
> Updated: 2026-07-01