Radium Engineering Fuel Rail | Honda B-Series (20-0370-02)
SKU: 20-0370-02
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Radium Engineering Fuel Rail | Honda B-Series (20-0370-02)
Product details
Description
Thirty years of B-series builds have proven one thing: the fuel rail should never be the part you compromise on.
The Radium Engineering Fuel Rail for the Honda B-Series brings modern architecture to the platform: CNC machined from 6061 aluminum with a large internal bore supporting all necessary engine power requirements, anodized and laser etched, with ports tapped for both 8AN ORB and 1/8" NPT. The 11mm ID injector bores match OEM, so factory or equivalent aftermarket injectors drop in, and the rail mounts on the OEM studs, nuts, and insulating spacers. A provision to reuse the OEM fuel pressure regulator keeps stock-plumbing builds simple, while the ORB ports open the door to Radium's DMR regulator and FPD-R damper. All fuels welcome, E85 included.
What You'll Feel
- Fuel volume on tap for every B-series power level, from bolt-on VTEC to boosted E85
- A rail that grows with the build: OEM FPR today, Radium DMR direct-mount regulator tomorrow
- Instrumentation ready, with the 1/8" NPT port hosting a gauge or sensor when the OEM FPR departs
- Injector seals that survive, with true 11mm OEM-spec bores
- A factory-clean mount on the original studs and insulating spacers
Features
- CNC machined 6061 aluminum with large internal bore; anodized and laser etched
- Ports tapped for 8AN ORB and 1/8" NPT
- 11mm ID injector bores compatible with factory or OEM-equivalent aftermarket injectors
- Provision to reuse the OEM fuel pressure regulator; open 1/8" NPT port for sensors or a plug when not used
- Accepts the Radium DMR 8AN ORB direct-mount regulator and FPD-R 8AN ORB pulse damper (sold separately)
- Mounts with OEM studs, nuts, and insulating spacers; all fuel types including E85
The Details
The dual-thread port layout is the flexibility play. ORB ports carry the fuel system: feed, return, a direct-mount DMR regulator in the end port, or an FPD-R damper in the top port. The NPT port carries the data, commonly a Radium 0-100 psi gauge, straight or on a 90 degree elbow for visibility. Injector guidance follows Radium's standard line: factory or OEM-equivalent only, with your injector supplier confirming dimensions, since Radium specifies nothing beyond 'OEM equivalent.' This is the rail-only kit with mounting hardware, ideal for custom fuel systems, and extra fittings, hose, and plumbing complete the install; Radium's optional OEM-configuration plumbing kit (sold separately) is the plug-and-play route for stock-style plumbing. Leave clearance around ports destined for regulators, gauges, or dampers.
Kit Includes
- 1x Anodized, laser etched B-series fuel rail
- Mounting hardware (reuses OEM studs, nuts, and insulating spacers)
- Fittings, hose, and plumbing sold separately
Applications
- Honda DOHC B-Series engines (B16, B18, B20) in Civic, Del Sol, Integra, and swap applications
- Factory or OEM-equivalent fuel injectors
- All fuel types including E85
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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