Radium Engineering Mazda 20B-REW Primary Top Feed Conversion Fuel Rail
Radium Engineering Mazda 20B-REW Primary Top Feed Conversion Fuel Rail
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Radium Engineering Mazda 20B-REW Primary Top Feed Conversion Fuel Rail
Elevate your Mazda 20B-REW rotary engine's performance with the Radium Engineering Primary Top Feed Conversion Fuel Rail. Designed specifically for the 1990-1995 Mazda/Eunos Cosmo, this high-flow fuel rail is the ultimate upgrade for enthusiasts seeking enhanced fuel delivery and engine power.
Key Features:
- High Flow Design: Engineered with a large internal bore to meet the demands of high-performance engines.
- Durable Anodized Finish: The black anodized aluminum construction ensures compatibility with all popular fuel types, including E85.
- Top Feed Conversion: Easily converts to top feed fuel injectors (injectors not included) for improved fuel atomization and efficiency.
Benefits:
- Enhanced Performance: Supports all necessary engine power requirements, allowing you to push your rotary engine to its limits.
- Easy Installation: Designed with user-friendly installation in mind, making it a great addition to your engine build.
- Versatile Compatibility: Suitable for various fuel types, making it adaptable for different racing or street applications.
Use Cases:
- Perfect for performance enthusiasts looking to upgrade their Mazda 20B-REW engine.
- Ideal for those participating in motorsports or aiming for high horsepower builds.
- A great choice for any rotary engine rebuild project, ensuring reliable fuel delivery.
For detailed installation instructions, visit RadiumAuto.com.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

