Radium Engineering Fuel Hanger Surge Tank
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Radium Engineering Fuel Hanger Surge Tank - Chevrolet Corvette (C8)
The Radium Engineering fuel hanger surge tank for the Chevrolet Corvette (C8) lets you run one, two or three aftermarket fuel pumps in the stock right-hand fuel tank, and is compatible with brushless pumps. It supports three layouts: direct injection only, direct plus port injection, or direct plus port injection with the hanger working as a true surge tank. A siphon jet pump, three one-way fill valves and regulator return fuel keep the one-piece collector full during aggressive driving (SKUs 20-1110, 20-1111, 20-1112).
Use the variant selector to choose the fuel pump the hanger is built to accept: Walbro GSS342 / AEM 50-1200, Ti Automotive E5LM, or Walbro F90000267/274/285 / DW440.
Note: The engine is commonly removed to access the C8 fuel tanks. The jet pump consumes 15-45 LPH depending on fuel pressure, so allow for this when sizing pumps. Fuel pump wiring kits are sold separately – one per pump. Some brushless pumps used with 20-1112 need Radium's 12mm strainer base, and the merged-pump configuration requires the OEM FPR to be deleted. Installation by a professional is recommended.
Features
- Runs 1, 2 or 3 aftermarket fuel pumps, including brushless pumps
- 10AN ORB feed port with low-profile 8AN male fitting
- 8AN ORB return port with low-profile 6AN male fitting
- 3/8" SAE quick connect fitting supplied for surge tank use
- Reuses the large OEM EVAP connections
- Integrated siphon jet pump and three one-way fill valves (355 LPH each)
- One-piece anodised aluminium collector
- Sealed anti-rotation stainless electrical studs, non-conductive acorn nuts and ETFE-insulated wiring
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Chevrolet | Corvette | C8 | 2020+ | LT2 |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Radium Engineering |
| Application | Chevrolet Corvette C8 (2020+), stock RH fuel tank |
| Pump capacity | 1, 2 or 3 aftermarket pumps (brushless compatible) |
| Feed port | 10AN ORB with low-profile 8AN male fitting |
| Return port | 8AN ORB with low-profile 6AN male fitting |
| Surge tank fitting | 3/8" SAE quick connect (supplied) |
| Fill valves | 3 x one-way, 355 LPH each |
| Jet pump consumption | 15-45 LPH depending on fuel pressure |
| Collector | One-piece anodised aluminium |
| In-tank wiring | ETFE insulated |
| Part number(s) | 20-1110, 20-1111, 20-1112 |
| Walbro GSS342 / AEM 50-1200 – Part number | 20-1110 |
| Ti Automotive E5LM – Part number | 20-1111 |
| Walbro F90000267/274/285 / DW440 – Part number | 20-1112 |
No instructions available for this product.

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