Radium Engineering RAD20-1113 Top-Feed Fuel Rail Conversion for Mazda 13B Primary Injectors

CNC Machined fuel rail for the Mazda 13B engine, primary injector location. Converts to top-feed fuel injectors using the included injector seats. Compatible with common aftermarket universal fuel injectors. See radiumauto.com for more details. Features 8AN ORB ports. INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

The Radium Engineering RAD20-1113 fuel rail is a CNC-machined top-feed injector conversion designed for the primary injector location on Mazda 13B engines. It converts the factory-style injector arrangement to accept common aftermarket universal top-feed fuel injectors, helping support fuel system upgrades for performance and motorsport applications.

This fuel rail includes injector seats for proper injector positioning and features -8AN ORB fuel ports for flexible plumbing options. Its precision-machined construction provides a durable foundation for a customized fuel delivery system while maintaining a clean, professional installation. Verify injector compatibility, connector style, and fuel system requirements before installation.

The Radium Engineering RAD20-1113 is intended for off-road, racing, and other applications where aftermarket fuel system components are permitted. This product is not CARB approved and may not be legal for use on pollution-controlled vehicles in certain areas. Installation instructions are available at radiumauto.com. Confirm fitment and review the manufacturer’s installation guidance before beginning work.

What's Included: CNC-machined fuel rail, injector seats, and installation hardware as supplied by Radium Engineering.

Fitment: Mazda 13B engines with a primary injector location; confirm engine configuration and injector selection before purchase.

Features:

• CNC-machined construction: Provides a precise, durable fuel rail for upgraded Mazda 13B fuel systems.
• Top-feed injector conversion: Converts the primary injector location to accept compatible aftermarket universal top-feed fuel injectors.
• Included injector seats: Supports proper injector placement and helps simplify installation.
• -8AN ORB ports: Provides versatile fuel plumbing connections for custom or performance-oriented fuel systems.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1