Radium Engineering Dual Pump Add-On
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Radium Engineering Dual Pump Add-On - Honda NSX (NA1/NA2)
Add a second fuel pump to the Radium Engineering NSX fuel pump hanger with this add-on kit (SKU 20-2796 / 20-2797). The factory tank opening is too small for two pumps to pass through together, so the second pump assembly goes in first, followed by the main pump assembly, and connects with an electrical plug and SAE quick connector.
Both pumps feed into the hanger's single 8AN ORB outlet and the integrated check valves permit pump staging. Choose the version to suit your pump: Walbro GSS342 / AEM 50-1200 or Walbro F90000267/274/285.
Note: Requires the matching Radium NSX fuel pump hanger (20-2790 for the GSS342 / AEM version; 20-2792 for the F900 version), sold separately. Not compatible with brushless pumps. Installation by a professional is recommended.
Features
- Adds a second pump to the Radium NSX hanger
- Electrical plug and SAE quick connector for straightforward installation
- Both pumps merge into the single 8AN ORB hanger outlet
- Integrated check valves permit pump staging
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Honda | NSX | NA1 | 1990-2001 | - |
| Honda | NSX | NA2 | 2002-2005 | - |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Radium Engineering |
| Pump Type | Brushed pumps only (not brushless) |
| Outlet | Merges into hanger's single 8AN ORB outlet |
| Staging | Permitted via integrated check valves |
| Part number(s) | 20-2796, 20-2797 |
| Walbro GSS342 / AEM 50-1200 – Part number | 20-2796 |
| Walbro F90000267/274/285 – Part number | 20-2797 |
No instructions available for this product.

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