Overview
The Radium Engineering High-Flow Billet Fuel Rail for 2006-2009 Honda S2000 AP2 models is designed specifically for the drive-by-wire returnless intake manifold. With an internal bore diameter of 0.69 inches, it eliminates fuel pressure drop across injectors and delivers uniform fuel distribution on forced-induction and E85 setups.
Features
- Large 0.69-inch internal bore dampens pressure fluctuations and supports 1,000+ HP setups
- Precision CNC machined from 6061-T6 aluminum with laser-etched black anodized finish
- Mounts directly to all OEM intake manifold mounting bosses on 2006-2009 AP2 engines
- 8AN ORB inlet and outlet ports allow clean plumbing routing with standard AN fittings
- Compatible with OEM injectors and standard aftermarket performance top-feed injectors
Vehicle Fitment
- 2006-2009 Honda S2000 (AP2 2.2L F22C1 Returnless Fuel System)
Radium Engineering High-Flow Billet Fuel Rail - 2006-2009 Honda S2000 (AP2) (20-0391-02)
Radium Engineering High-Flow Billet Fuel Rail - 2006-2009 Honda S2000 (AP2) (20-0391-02)
SKU:RAD 20-0391-02
In stock
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Shipping & Returns
Shipping charges are non-refundable.
30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.
A restocking fee may apply.
Please contact us for return authorization before shipping anything back.
Vehicle Fitment
- Honda S2000 (1999-2003)






