Radium Engineering CNC Fuel Rail – Honda D-Series | 8AN ORB | OEM & Aftermarket Manifold Compatible

Upgrade the fuel delivery system on your Honda D-series build with the Radium Engineering CNC Fuel Rail — precision CNC-machined for direct compatibility with all OEM Honda D-series intake manifolds, as well as any aftermarket manifolds that retain the stock fuel rail mounting locations. Featuring 8AN ORB ports at each end and two auxiliary ports on the top surface for a Radium fuel pulse damper (FPD) or other fuel system accessories, this fuel rail provides the plumbing flexibility and fuel flow capacity needed for upgraded injector and high-output D-series builds.

Key Features

• CNC Machined Construction: Precision CNC-machined fuel rail for accurate fitment and superior quality over cast or stamped alternatives
• 8AN ORB End Ports: 8AN ORB (O-Ring Boss) ports at each end of the fuel rail for feed and return line connection — flexible fuel line routing for a variety of engine bay configurations
• Dual Auxiliary Top Ports: Two additional auxiliary ports on the top surface — compatible with a Radium fuel pulse damper (FPD) or other fuel system accessories for a complete, purpose-built fuel system setup
• OEM & Aftermarket Manifold Compatible: Direct fit for all OEM Honda D-series intake manifolds — also compatible with aftermarket manifolds that use the stock fuel rail mounting locations
• Stock & Aftermarket Injector Compatible: Compatible with OEM Honda D-series fuel injectors and aftermarket injectors with similar fitment — supports injector upgrades without additional adapters
• Radium Engineering Quality: Manufactured by Radium Engineering — a trusted name in precision CNC fuel system components for performance and motorsport applications

Specifications

• Type: Fuel Rail
• Construction: CNC Machined
• End Port Size: 8AN ORB (O-Ring Boss)
• Auxiliary Ports: 2x top surface ports (FPD / accessory compatible)
• Manifold Compatibility: OEM Honda D-Series & Aftermarket (stock mounting locations)
• Injector Compatibility: OEM & Aftermarket D-Series fitment
• Engine: Honda D-Series (D15, D16, D17)
• Part Number: 20-1070

Note: Aftermarket manifold compatibility requires stock fuel rail mounting location retention — verify your specific manifold's mounting configuration before ordering. Fuel line fittings, injectors, and fuel pulse damper sold separately. Professional installation by an experienced fuel system specialist is recommended. Ensure all fuel system connections are leak-tested before starting the engine.