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Plumbing Kit



DIY Wiring Kit
Select for 15+ WRX
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Description 

Click here to download installation instructions (PDF)

The Radium fuel pump hanger allows the use of 1 or 2 aftermarket pumps in the stock fuel tank. The Radium fuel pump hanger has been designed and optimized for use with high horsepower systems. AN fittings allow the use of afermarket high flow hose and the venturi jet pump is specially designed for high flow applications.

This hanger is a drop-in replacement for the following models:
08-14 Subaru Impreza (Incl. WRX and STi)
08-14 Subaru Forester (all)
05-09 Subaru Legacy (Incl. 2.5GT)
05-09 Subaru Outback (Incl. XT)
2015+ Subaru STI
*2015+ Subaru WRX
*This application requires Radium 20-0350 Fuel Level Sender Adapter, Denso. This can be selected in the options above.


FEATURES

The machined assembly mounts in the factory fuel tank using the OEM hold-down flange and gasket. The OEM fuel level sender and temperature sensor (if equipped) are retained. Four -6AN male fittings (2 pump outlets, 1 return, 1 crossover) allow connection of aftermarket -AN hose.

The custom designed stainless electrical studs easily handle the high current demand that compact bulkhead connectors lack. These serviceable connections are properly sealed and impervious to all standard and exotic fuels. The low profile design keeps all wiring tucked nicely underneath the OEM cover plate. Nylon acorn nuts are provided to prevent any accidental short circuits. Furthermore, the high quality in-tank wiring is insulated with chemically resistant PTFE. 

Crimp-on ring terminals and heat shrink are provided for external wiring connections.

The kit includes a venturi jet pump with a new integrated pressure relief valve. Without a properly designed jet pump, fuel cannot be properly transferred from the passive side of the OEM saddle bag fuel tank to the active side where the pump(s) reside. When fuel pump flow is increased, the OEM jet pump becomes too restrictive creating unwanted backpressure in the FPR return line causing excessive fuel rail pressure.

The kit also includes an anodized aluminum collector box which improves the fuel supply around the pump(s) inlet. There is a 1" check valve incorporated on the front side of the tank that serves as a trap door keeping the pump(s) supplied with fuel during aggressive driving. Furthermore, all returning fuel from the pressure regulator return and the crossover hose enter the collector box through a one-way duckbill valve keeping it full. The duckbill valve prevents back flow and reduces noise from fuel spray. The collector box also permits a mounting solution for the OEM fuel level sender. This new revision simplifies installation and permits the hanger to be simply dropped into the tank in 1-piece.

Single pump applications can reuse the OEM fuel pump controller wiring, but it is recommended to upgrade the OEM wiring as high flow fuel pumps draw additional current requiring larger gauge wire. Fuel pump wiring kits can be purchased HERE. Select qty1 for single pump applications and qty2 for dual pump applications.

NOTE: Although this item has provisions for preventing starvation, it is NOT a traditional fuel surge tank. Fuel surge tanks can be found HERE.

Included in all Configurations:
-Billet aluminum top plate, anodized and laser engraved
-Fully enclosed collector box with one-way check valve
-Electrical terminals for the wire connections
-Stianless steel hardware
-AN fuel line connections
-Submersible fuel hose


FUEL PUMP CONFIGURATIONS

If supplying your own pump(s), select the option "Pumps Not Included" from the menu. 

Notes:
1. There will be enough components included with this option to use 1 or 2 fuel pumps. Depending on the setup, some parts will simply not be used
.
2. A pliable fuel pump filter sock like this HERE must be used for proper fitment. 

Pre-built single pump configurations DO NOT come with extra parts to run a second pump! Extra parts will need to be purchased in order to add a second pump.


PLUMBING KITS
The following plumbing kits have been verified to fit in the 08-14 Impreza, WRX, STi, and 2015+ STi. Other Subaru models have never been tested.


20-0294-02 FUEL HANGER PLUMBING KIT, 08-14 SUBARU
This kit includes fittings and hose to make the Radium Engineering fuel pump hanger a direct bolt-in OEM replacement. It works for both single and dual pump configuration. This kit reuses the OEM hard fuel lines and does NOT require any extra fuel hose plumbing.  
 


20-0295-11 FUEL HANGER PLUMBING KIT, 2015 SUBARU STI, SINGLE PUMP
This kit includes fittings to make the fuel pump hanger with a single pump a direct bolt-in OEM replacement. This kit reuses the OEM hard fuel lines and does NOT require any extra fuel hose plumbing excluding Subaru FA20F engine applications which require an external fuel pressure regulator and corresponding hoses. 


20-0294-02 FUEL HANGER PLUMBING KIT, 08-14 SUBARU
This kit includes fittings and hose to make the Radium Engineering fuel pump hanger a direct bolt-in OEM replacement. It works for both single and dual pump configuration. This kit reuses the OEM hard fuel lines and does NOT require any extra fuel hose plumbing.  
 


20-0295-12 FUEL HANGER PLUMBING KIT, 2015+ SUBARU STI, DUAL PUMP 
This kit includes fittings and hose to make the fuel pump hanger with dual pumps a direct bolt-in OEM replacement. This kit reuses the OEM hard fuel lines and does NOT require any extra fuel hose plumbing excluding Subaru FA20F engine applications which require an external fuel pressure regulator and corresponding hoses.  


20-0529-03 and 20-0529-05 FUEL PLUMBING KIT, SUBARU 08-14 
These optional fuel plumbing kits include fittings, hoses, filter, hardware, etc. UNlike the fuel hanger plumbing kits, this kit replaces the OEM hard fuel lines. 

They add the necessary post pump filtration required when using the Radium Engineering fuel pump hanger. As shown below, billet aluminum retainers are included to secure the fuel lines.

The only difference between the 2 kits is the filter element (20-0529-03=stainless, 20-0529-05=microglass). More info can be found HERE

The filter bracket mounts to the chassis with no drilling or permanent modifactions required.

NOTES: 
1. Not compatible with any other other chassis including 2015+ Subaru VA.
2. Aftermarket fuel rails and fuel pressure regulator are recommended. 


 

Reviews

Average Rating:
(based on 1 review)

Showing 1 Review:

RatingReviewerReview
by Kyle
on 7/29/2015
Amazing Quality
I haven't even installed this yet (Walbro 450 - E85) and decided to write a review. This piece looks amazing and I only wish all my aftermarket parts came looking like this, even the install instructions are great. Well constructed and I have no doubt it will out perform the stock piece as well as retain all normal functions. The plumbing kit makes it super easy to install and the hardwire kit is a necessity for this size pump. On a side note for STI owners, to retain functionality of the duty cycles on high amp pumps, a fuel pump controller solution will be required to not burn up the stock unit (~15 amp maximum). The Walbro 450 runs at ~22 amps during 100% duty cycle. Keep on bringing the Subaru parts, I need more.
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