SKU: 70032307954

FST-R, WALBRO GSS342, AEM 50-1200/50-1000, PUMP NOT INCLUDED

Sale price$199.32 Regular price$221.47
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Description

FST-R, WALBRO GSS342, AEM 50-1200/50-1000, PUMP NOT INCLUDEDRADIUM FST R FEATURES Full CNC aluminum construction with O ring sealed interfaces Anodized for compatibility with all fuel types Integrated adjustable fuel pressure regulator with 1: 1 vacuum reference Interchangeable regulator orifice sizes to match output of different pumps Nickel Plated Electrical Connector with 24" Flying Leads Assembled with stainless steel hardware Three 6AN male fittings (8AN can be purchased separately) RADIUM FST R The FST R

RADIUM FST-R FEATURES
-Full CNC aluminum construction with O-ring sealed interfaces
-Anodized for compatibility with all fuel types
-Integrated adjustable fuel pressure regulator with 1:1 vacuum reference
-Interchangeable regulator orifice sizes to match output of different pumps
-Nickel-Plated Electrical Connector with 24" Flying Leads
-Assembled with stainless steel hardware
-Three 6AN male fittings (8AN can be purchased separately)

RADIUM FST-R
The FST-R (Fuel Surge Tank–Regulated) is an all new design that houses a single internal fuel pump and has an integrated fuel pressure regulator machined into the top cap. The high-flow regulator is adjustable and features interchangeable orifice sizes. This revolutionary idea eliminates the need for an external fuel pressure regulator along with the extra fittings and hoses. This simplifies the installation, reduces overall cost, reduces weight, and eliminates potential leak points in the fuel system. Furthermore, this system permits cooler fuel temperatures as the fuel is not returning from the hot engine bay. Like all Radium fuel surge tanks, this universal product can be used on any fuel injected application and is compatible with all fuel types.

The FST-R can be configured with all 39mm fuel pumps from many leading manufacturers. Note: The FST-R is not available in dual-pump configurations. If the pump is purchased as part of the FST-R, the surge tank will come fully assembled and will be pressure tested for leaks and ready to be installed. If the pump is purchased elsewhere, some assembly will be required.

The side port is the regulated pressure output and is plumbed directly to the fuel rail(s). No additional fuel pressure regulator is required. Pressure adjustment is done using the adjustment screw located on the top cap of the regulator unit. A vacuum line hooks up to the nipple on the FST-R to achieve 1:1 vacuum reference. Note: returnless fuel systems commonly use a constant fuel pressure. In this case, the vacuum reference hose is not required.

The FST-R is no taller than a standard fuel surge tank with hoses installed.

Two interchangeable orifices are included with calculated flow diameters to match the fuel pump flow to the regulator. Furthermore, this added precision will resist diaphragm flutter and optimize pressure stability.


A fuel pressure gauge is needed in order to set and monitor fuel pressure and should be located along on the output line or at the fuel rail. The Radium universal fuel pressure gauge is perfect for this duty.

For the 20-0368-00 Ti Automotive E5LM FST-R, a 20-0598 check valve is included to prevent backflow.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70032307954

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Michelle Renee Shaffar
Waukegan, US
★★★★★ 5
Great for use atop the bedside table!
Very nice! I bought this for my father for his birthday, and he really liked the gift! It's a nice little place for him to keep all of his essentials together on the bedside table. No more losing his watch, keys, wallet, etc. or knocking them off the table!
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Reviewed in the United States on April 12, 2026
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Joselyn
Alexandria, US
★★★★★ 5
Excellent stylish organizer!
Excellent design and quality of material, practical and functional!
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Reviewed in the United States on October 1, 2025
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Charles
Bozeman, US
★★★★★ 5
Love it
It looks good and is well made.
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Reviewed in the United States on November 2, 2025
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Elizabeth Barrientos
Whiting, US
★★★★★ 5
Bedside organizer
Perfect gift for my boyfriend. It is sturdy and is able to get all his stuff in it, they size is perfect it fits great on his nightstand stand, it was easy to use/organize all his stuff and it is light weight
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Reviewed in the United States on January 3, 2026
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Paul Fallon
West Palm Beach, US
★★★★★ 4
Low quality leather
Good product but the leather is kinda cheap, already pealing back a little.
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Reviewed in the United States on August 8, 2025

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