Radium Fuel Rail, Top Feed Conversion, Mazda 13B-REW Secondary

Radium Fuel Rail, Top Feed Conversion, Mazda 13B-REW Secondary

Top feed conversion fuel rail engineered by Radium Engineering for Mazda 13B-REW secondary injectors. This CNC-machined billet aluminum fuel rail converts the factory side-feed secondary injectors to top-feed configuration, allowing use of high-flow aftermarket top-feed injectors for increased fuel delivery in rotary engine applications.

Compatibility

• Mazda RX-7 FD (13B-REW) - Secondary injectors

Key Features

• ✓ Converts side-feed to top-feed injector configuration
• ✓ CNC-machined billet aluminum construction
• ✓ Allows use of high-flow aftermarket top-feed injectors
• ✓ Multiple -6AN ORB (O-Ring Boss) ports
• ✓ Anodized finish for corrosion resistance
• ✓ E85 and all fuel types compatible
• ✓ Professional-grade motorsport component

Technical Specifications

• Application: Mazda RX-7 FD 13B-REW (Secondary)
• Part Number: 20-0447
• Construction: CNC-machined billet aluminum
• Ports: Multiple -6AN ORB (9/16"-18 O-Ring Boss)
• Fuel Compatibility: Gasoline, E85, and alternative fuels

Applications

Ideal for Mazda RX-7 FD builds requiring high-flow secondary injectors for turbocharged rotary applications. Perfect for high-performance street, track, or motorsport builds where increased fuel delivery is critical for 13B-REW twin-turbo rotary engine performance.

Benefits

• Enables use of high-flow aftermarket top-feed injectors
• Increases secondary injector fuel delivery capacity
• CNC-machined precision ensures reliable operation
• Multiple -6AN ORB ports provide versatile plumbing options
• Anodized finish provides long-term durability
• Compatible with all fuel types including E85
• Professional motorsport-grade construction

Important Note: For secondary injectors only. Top-feed injectors sold separately. Requires -6AN ORB fittings for installation.

Fast shipping available throughout Australia. Lead times may vary - contact us for current availability.

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